ExplainerOctober 9, 2026
LaMa separates the gel problem from the plastic recycling stream
Superabsorbents complicate wet processing; reported 200 kg/hour operation does not establish a route for every used diaper or construction mat.
Writing
Explainers, teardowns, and myth-busting on waste management systems and green engineering.
189 posts
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TeardownOctober 9, 2026
Neela’s microbes are not yet a tank of certified jet fuel
The £2.1 million funding supports scale-up, while feedstock conversion, fuel upgrading and qualification remain distinct steps.
ExplainerOctober 9, 2026
Hereon puts breaking points into a styrene-based plastic
Bio-based content and deliberate chain cleavage change material design; fragments are not yet proof of a closed recycling loop.
ExplainerOctober 8, 2026
Modified cellulose catches lead in solar-cell recycling solvents
Sulfur-bearing binding sites work beyond water, but removal efficiency is not yet a closed metal-and-solvent recycling loop.
TeardownOctober 8, 2026
Reclinker makes a cement route inside steel recycling
Reactivating demolition cement in an electric arc furnace uses existing infrastructure, but feedstock, standards and carbon boundaries still matter.
ExplainerOctober 7, 2026
ABTC’s $100 million black-mass licence exposes the refining gap
Shredding concentrates battery material; it does not produce battery-grade minerals, and an export authorisation is not a sales result.
TeardownOctober 7, 2026
StreamGo’s PFAS system: capture is not destruction
Claims of 99% capture and thousandfold concentration need compound-specific tests and a fluorine balance for the destruction stage.
ExplainerOctober 7, 2026
Fewer landfills can still receive more waste
EREF’s reported trends point to consolidation, but counts, tonnage, time periods and diversion rates must not be mixed.
ExplainerOctober 6, 2026
A sunlit bin lid can attack acetic acid — not every garbage smell
Lithium-modified manganese oxide links light and catalysis, but conversion, mineralisation and real odour control are different results.
TeardownOctober 6, 2026
A MOF can catch metals. Can it keep working in a treatment column?
High batch adsorption capacity is a starting point, not a specification for continuous wastewater treatment or rare-earth products.
ExplainerOctober 6, 2026
Taro roots and a zig-zag channel: how a farm wetland is supposed to work
Longer contact with roots and biofilms can help treatment, but flow, land area and pathogen data are still needed.
ExplainerOctober 5, 2026
AMP Portsmouth: mixed-waste sorting and biochar are two different proof points
The expanded system links recovery with carbon removal, but operating sorting capacity is not operating biochar capacity.
TeardownOctober 5, 2026
Covestro’s foam loop: 99% aniline purity does not mean 99% recovery
A planned 2,000-tonne pilot targets a useful chemical from insulation waste; product yield and scale remain separate questions.
Myth-BustingOctober 5, 2026
Aluminium foil is recyclable material — not an automatic blue-bin item
Cleanliness, item size and local sorting rules decide whether household foil has a real recovery route.
ExplainerOctober 3, 2026
Cornell’s DEER process repairs electrodes before they become black mass
An electrochemical bath preserves electrode structure, but coin-cell recovery is not yet a pack-scale recycling service.
TeardownOctober 3, 2026
Plastic pyrolysis: nameplate capacity is not operating performance
Closures and underutilisation expose the gap between making an oil and running a profitable plastic-to-plastic system.
ExplainerOctober 3, 2026
Rise Reforming’s container: biogas to syngas is only the first conversion
A modular reactor could serve stranded gas sources, but downstream chemistry, contamination and energy determine the business.
TeardownOctober 2, 2026
Reju’s two-minute polyester claim leaves most of the process outside the stopwatch
Fast depolymerisation is not the same as fast textile recycling; sorting, purification and future plant operation determine the result.
Myth-BustingOctober 2, 2026
Paper bags are not automatically the lower-impact choice
Bag weight, reuse and disposal change lifecycle comparisons; litter is a separate impact, not a reason to ignore production.
ExplainerOctober 2, 2026
Toray’s recovered carbon fibre: strong filaments are not a new aircraft wing
Chemical resin removal can protect fibre quality, but short-fibre products and structural composites answer different engineering questions.
ExplainerOctober 1, 2026
The missing phone loop: collection comes before urban mining
A $2.2 billion modelled mineral opportunity depends on retrieving phones, preserving reuse and building real downstream recovery.
TeardownOctober 1, 2026
Brightly food-rescue credits: the food is real, the baseline needs scrutiny
Food rescue can fund climate benefits, but credits depend on additionality, the alternative disposal route and verified accounting.
TeardownOctober 1, 2026
India’s e-waste tax notice: paperwork is not a material balance
Reported allegations involving appliance companies reveal why invoices, recycling certificates and physical processing need separate verification.
ExplainerSeptember 30, 2026
How waste wool and graphene oxide make a tougher enzyme
Xiamen researchers wrap an extremophile enzyme in wool keratin and graphene oxide, boosting activity 1.42× and solvent tolerance. Promising, but reuse and scale are not yet industrial.
TeardownSeptember 30, 2026
TNO's laser solar recycling: 99.998% silicon, unknown throughput
A nanosecond-laser process recovers silicon and silver from old panels at 97% rates and very high purity. The open questions are panels per hour and cracked real-world modules.
ExplainerSeptember 30, 2026
How molten salts turn plastic bags into fuel at 200°C
ORNL cracks polyethylene into gasoline-range fuel below 200°C using cheap aluminium-chloride salts. Clever chemistry — but lab-scale, polyethylene-only, and still a route to burning plastic.
ExplainerSeptember 29, 2026
Methane to succinate: why LLNL puts bacteria in a printed scaffold
A porous support tackles gas transfer, but a one-litre demonstration is not a landfill-ready chemical plant.
TeardownSeptember 29, 2026
Seventeen towers recover caesium and rubidium — from ore waste, not batteries
The reported recoveries are impressive; feedstock, solvent balances and independently checked operating data determine their meaning.
TeardownSeptember 28, 2026
Mercury injected underground 'forever': a teardown of VLS Texas Molecular's disposal claim
The U.S. has had nowhere to put elemental mercury since the export ban. A Deer Park, Texas facility now stabilises it and injects it deep underground. It fills a real gap — with an undisclosed chemistry and a 10,000-year model.
ExplainerSeptember 28, 2026
How the EU's metal scrap export ban would work — and why India is the biggest loser
From May 2027, non-OECD countries without an EU exemption can no longer import the bloc's metal scrap. India, the largest buyer of EU aluminium scrap, did not get one.
TeardownSeptember 28, 2026
NYC curbside organics: 72.5% growth, 8% capture — and why enforcement stopped working
New York's mandatory food-scrap programme nearly doubled collection in FY2026. It still captures 8% of available organics, and a second round of ticketing barely moved participation.
TeardownSeptember 27, 2026
MacroCycle and Meta: a recycling deal made of credits, not plastic
Meta will buy environmental attribute credits from MacroCycle's solvent-based PET recycling. The chemistry is novel. The plant does not exist yet, and Meta is not buying any recycled material.
ExplainerSeptember 27, 2026
Indonesia's BRIN plan: waste to syngas, carbon nanotubes and captured CO2 — how each step works
BRIN is assembling AI sorting, gasification, plastic-to-nanotube conversion at 1,600 °C and calcium looping into one pipeline. Here is the chemistry of each stage and how much of it exists.
Myth-BustingSeptember 26, 2026
Do landfill liners last forever? Why liners eventually fail
No. EPA's own landfill design guidance says liners will eventually degrade, tear or crack. Liners delay leachate contamination, but the waste outlasts the container.
TeardownSeptember 26, 2026
Zeolite and bamboo biochar concrete: stronger, CO2-absorbing — and about 2,000 years from paying back
An Indian lab mix swaps half the fine aggregate for zeolite and 1% of cement for bamboo biochar. Strength goes up; CO2 uptake is 1.2 g a day in a concentrated chamber. The scale maths is sobering.
ExplainerSeptember 26, 2026
How sunlight turns plastic waste into hydrogen: inside Cambridge's 1 m² photoreforming panel
A semiconductor catches light, a cobalt–zirconium catalyst makes hydrogen, and dissolved plastic supplies the electrons. The first outdoor square-metre test works — modestly.
TeardownSeptember 25, 2026
Greyparrot at Sunset Park: counting 91,000 lost cans a day is not the same as saving them
Greyparrot's cameras say 89% of aluminium passing a Brooklyn MRF is recoverable. That is a measurement of loss, not an improvement in recovery — the pilots that would show that have not run yet.
TeardownSeptember 25, 2026
Veolia's $27 billion hazardous waste warning: real regional gap, self-serving headline
A Veolia-commissioned report says a 1% treatment capacity shortfall could cost $27 billion by 2033. EPA says there is enough capacity to 2049. Both can be partly right.
ExplainerSeptember 25, 2026
The EU wants 15% recycled plastic in new cars. Today it is 2.5%. Here is why the gap is so hard
The End-of-Life Vehicles Regulation mandates 15% recycled plastic from 2032 and 25% from 2036. To see why that is difficult, follow a car through the shredder.
ExplainerSeptember 24, 2026
Compost biocovers: how bacteria turn escaping landfill methane into CO2
Where a landfill is too small or old for gas collection, a layer of mature compost can host methane-eating bacteria that oxidise up to 35–40% of escaping methane — for around $48,000 an acre.
TeardownSeptember 24, 2026
Republic Services' 250 electric trucks: real progress, wrong headline
Electric collection trucks work, and Republic has proved it at city scale. But they are about 1.5% of its fleet — and its landfills' methane dwarfs anything coming out of a tailpipe.
ExplainerSeptember 24, 2026
Phytomining: how pokeweed could pull rare earths out of mine waste
NC State researchers are growing native pokeweed on coal ash and acid mine sludge and using a UV laser to measure how much dysprosium the plants absorb. It is a measurement breakthrough, not yet a supply chain.
Myth-BustingSeptember 23, 2026
Myth: if you drop off e-waste at a recycler, it gets recycled
A Basel Action Network investigation found eight of ten U.S. firms shipping e-waste to Southeast Asia held R2v3 'responsible recycling' certification. Here is where drop-off electronics can really end up.
TeardownSeptember 23, 2026
Bobine's 'electrified plastic recycling': striking numbers, no independent evidence
The French startup claims +45% yield, −60% energy and −45% cost by heating a catalyst with induction to turn plastic waste into olefins. Every figure is self-reported, and none has a baseline.
ExplainerSeptember 23, 2026
How fungi eat industrial waste: the four tools of mycoremediation
White-rot fungi evolved to digest wood. The same enzymes attack dyes, oil and some plastics, and their cell walls soak up heavy metals. A 2026 review maps what works — and where the evidence runs thin.
ExplainerSeptember 22, 2026
How a reusable cup loop works at the Big House — and why it only covers the suites
Michigan Stadium has launched a reusable cup programme with Bold Reuse and SOLO. The loop is simple. Scaling it from premium seating to 100,000 fans is not.
TeardownSeptember 22, 2026
The Recycling Partnership's 'Evolving Ton': excellent data, no prescription
Cartons up 61%, mixed paper down 34%, plastics now outweigh paper in U.S. recycling. The new report is the best picture of the bin we have — and says almost nothing about what to do.
ExplainerSeptember 22, 2026
Alberta bans solar panels from landfill: how panel recycling works, and who pays
From October 1, Alberta charges $14 on every new panel and bans end-of-life panels from landfill. Here is how a panel is taken apart, and why the fee is already contested.
ExplainerSeptember 21, 2026
Glue and elevators: how two sizes of bubble pull 90% of microplastics out of wastewater
RMIT researchers upgraded a 1960s treatment step — dissolved air flotation — by pairing microbubbles with nanobubbles. Lab results top 90% microplastic removal. Here is the mechanism and the caveats.
TeardownSeptember 21, 2026
$8.4 billion in rare earths in coal ash? What WPI's bio-inspired project has actually shown
A $3.3M NSF grant will study how diatoms and sponges handle silica to pull rare earths out of coal ash. The headline number is real content, not recoverable metal — and the project has no results yet.
ExplainerSeptember 21, 2026
How a single ruthenium atom could unlock lignin, the plant waste we mostly burn
Lignin is up to 35% of farm and forestry waste and almost all of it is burned for low-grade heat. A Manchester single-atom catalyst cuts both of its toughest bond types at once — here is how, and what the paper does not yet tell us.
Myth-BustingSeptember 20, 2026
Your Receipts Do Not Belong in the Paper Recycling
Thermal receipt paper carries a bisphenol coating. Put it in the paper stream and the chemistry ends up in recycled paper products.
TeardownSeptember 20, 2026
BASF's ecovio Is Certified Home-Compostable. Two Data Sets Are Missing
A PBAT and PLA blend with TUV OK Compost Home certification. The disintegration is tested. The barrier performance and the microplastic question are not.
ExplainerSeptember 20, 2026
Amino Acid Salts Can Scrub CO2 Out of Biogas. Just Not Quite Enough
A Stuttgart process separates 92.3% of the CO2 from raw biogas using a benign solvent. Gas grids want methane above 96%.
ExplainerSeptember 19, 2026
800,000 Tons of Recyclable Film and Not Enough Buyers
The US generates roughly 800,000 tons of recoverable polyethylene film a year. Twenty-seven reclaimers can process it, and fewer than half will take household film.
TeardownSeptember 19, 2026
The "AI Will Create 40 to 60 Times More E-Waste" Claim, Examined
The Basel Action Network's projection is arithmetically defensible and widely misread. Most of the forecast tonnage is not servers.
ExplainerSeptember 19, 2026
California Recycles 37% of Its Carpet. That Number Took Fifteen Years
The first carpet EPR programme in the US now runs 174 drop-off sites and recycles 78.5 million pounds a year. It is also a lesson in how slowly EPR moves.
TeardownSeptember 18, 2026
Worn Again Has a Polycotton Recycling Plant. Half of It Is Running
Separating polyester from cotton is textile recycling's central unsolved problem. Worn Again's Swiss facility has module one commissioned and module two on paper.
ExplainerSeptember 18, 2026
A Wastewater Cell That Powers Itself and Pulls Fertiliser Out of the Stream
Temple and NJIT researchers built a treatment cell that generates seven times more electricity than it consumes while recovering struvite. At bench scale.
ExplainerSeptember 18, 2026
A Catalyst That Dissolves a Plastic Designed Never to Melt
pDCPD is a cross-linked thermoset with no recycling route. A ruthenium catalyst and a stirred solvent take it apart - and leave the carbon fibre intact.
Myth-BustingSeptember 17, 2026
Shredded Paper Is Paper. That Does Not Make It Recyclable
Most recycling programmes reject loose shredded paper, and the reason is mechanical: the strips are the wrong size for the machines that sort paper.
TeardownSeptember 17, 2026
Envetec Says It Can Recycle Biohazardous Medical Waste. What Is Actually Proven?
On-site shredding and disinfection that turns regulated medical waste into recyclable polymer flake. The disinfection is certified. Most of the headline numbers are not.
ExplainerSeptember 17, 2026
Quebec Made Blue-Bin Glass Good Enough to Become a Bottle Again
For decades half of Quebec's curbside glass was buried as landfill cover. A $20M optical-sorting upgrade finally gets it clean enough for the furnace.
TeardownSeptember 16, 2026
HBI's EVA3: Four Known Sludge Processes, Wired Into One. No Numbers Yet.
Hydrothermal carbonisation, gasification, energy recovery and phosphorus capture in a single automated plant near Treviso. The integration is the novelty — and the performance data is absent.
TeardownSeptember 16, 2026
Cairo's CanBank Machines Take the Cans. The Zabaleen Were Already Taking Them.
Two reverse vending machines in Dokki pay phone credit for bottles and cans — the exact fraction that has funded an informal collection economy for a century.
ExplainerSeptember 16, 2026
What Drips Out of a Landfill, and New York's Plan to Treat It
Rain moves through buried waste and comes out carrying PFAS. Municipal wastewater plants were never designed to remove it. New York proposes making landfills do it on site.
TeardownSeptember 15, 2026
Pirelli, Pyrum, BASF and Synthos: A Tyre Loop With an Accounting Step in the Middle
Four companies, six steps, and one link where the recycled content is attributed rather than physically traced. The pyrolysis is real. The loop is partly bookkeeping.
TeardownSeptember 15, 2026
EverestLabs Navigator: Agentic AI for MRFs, Announced by Press Release
Three stacked AI layers, a claimed 30 percent throughput gain, and one named customer. The architecture is plausible. The evidence is a launch announcement.
ExplainerSeptember 15, 2026
An Enzyme From a Compost Heap Cuts Polyurethane. Slowly.
A Danish team found a bacterial enzyme that cleaves untreated polyurethane foam and nylon with no pretreatment. Three days of it removed 1.4 percent of a shoe sole.
Myth-BustingSeptember 14, 2026
"It's Paper, So It's Recyclable": What Actually Happens to a Coffee Cup
A hot-drink cup is about 95% paperboard. The other 5% is a polyethylene liner, and that 5% is why most mills reject the cup outright — even when you put it in the right bin.
TeardownSeptember 14, 2026
Coway's Microbial Food Waste Disposer: 0.7 kg a Day and One Unverified Number
Coway has launched a kitchen unit that digests food scraps with microbes cultured from doenjang rather than grinding and drying them. The mechanism is genuinely different. The throughput ceiling and the missing data are the story.
ExplainerSeptember 14, 2026
The Sensor Under the Belt: How Magnetic Fingerprinting Finds a Hidden Battery
Litech mounts a flat sensor beneath an existing conveyor and reads magnetic signatures every millisecond, aiming to flag concealed lithium cells before they reach the shredder. The mechanism is elegant. The numbers are missing.
ExplainerSeptember 13, 2026
Terahertz Sorting: Seeing Through the Plastics That Near-Infrared Cannot
Near-infrared sorters are blind to black plastic and confused by multilayer film. Terahertz sensing sees through both. The physics is real; the belt speed and the detector price are not there yet.
ExplainerSeptember 13, 2026
Silex World and Magnet Recycling: The Chemistry Works, the Collection Does Not
Recovering neodymium and dysprosium from used magnets has been technically demonstrated many times over. Almost none of it happens, and the reason has nothing to do with metallurgy.
ExplainerSeptember 13, 2026
AIST's ABCS Reactor: Splitting Digestion in Two to Stop It Souring
Japan's AIST reports a two-stage anaerobic digestion design that keeps acid production and methane production in separate vessels. The concept is decades old; the claim is that this configuration holds up at high loading.
ExplainerSeptember 12, 2026
Marine Microbes Turning Food Waste Into Protein: Good Biology, Unresolved Regulation
A Chinese research group reports converting food waste into single-cell protein using salt-tolerant marine microorganisms. The salt tolerance is a genuine engineering advantage. Feed approval is where this stalls.
TeardownSeptember 12, 2026
Aduro's Hydrochemolytic Route: Water-Mediated Plastic Conversion, and the Refinery Problem It Does Not Escape
Aduro says its water-based chemistry converts waste plastic and heavy oil at lower temperatures than pyrolysis. Even if that holds, the output is still a feedstock that a refinery has to finish.
TeardownSeptember 12, 2026
Kirin and JSW Put PET Depolymerisation Inside a Twin-Screw Extruder
Chemical recycling of PET normally means a stirred tank and several hours. Kirin and JSW have moved the reaction into a continuous extruder. If the numbers hold, the interesting part is throughput per unit of capital.
Myth-BustingSeptember 11, 2026
"Compostable" Is a Facility Spec, Not a Property of the Object
Certified compostable packaging is engineered to break down in a hot industrial windrow. Put it in a garden bin, a recycling bin or a landfill and it behaves like ordinary plastic — because in those conditions, it is.
TeardownSeptember 11, 2026
R3 Lithium in Covington: A $15M Series A Moving Into a $150M Building
R3 Lithium is taking over battery recycling capacity in Covington, Georgia that Ascend Elements spent far more to build. The asset is real. The question is whether the funding matches what refining lithium to spec actually costs.
TeardownSeptember 11, 2026
ReBioCycle's PLA Loop: What a Closed Loop Means When Nobody Publishes the Yield
An EU project says it has closed the loop on PLA — sorting, depolymerising and repolymerising bioplastic back to virgin-grade. The chemistry is sound. The numbers that decide whether it matters are missing.
ExplainerSeptember 10, 2026
Satellites Can See Landfill Methane Now. Detection Is Not the Same as Repair.
Orbital spectrometers have found large landfill methane plumes that operators reported as far smaller. The measurement gap is now well documented; the enforcement and engineering response is not.
TeardownSeptember 10, 2026
The Ocean Cleanup Says 50 Million Kilograms. Here Is What That Is a Fraction Of.
The removal figure is real and independently plausible. Set against annual plastic inflow to the ocean, it represents a small fraction of a single year — and the river interceptors are the part of the programme that actually scales.
ExplainerSeptember 10, 2026
Bacteria Built a Molecule That Grabs Gallium. Now Comes the Hard Part.
Siderophores bind metals with extraordinary selectivity because bacteria evolved them to scavenge iron. Repurposing that chemistry for gallium and rare earths in e-waste is elegant, and the cost per gram is the whole question.
ExplainerSeptember 9, 2026
Black Soldier Flies Convert Food Waste Fast. The Constraint Is the Law.
Larvae turn organic waste into protein in about two weeks with high conversion efficiency. Whether that protein can legally be fed to anything is decided by regulation, not by biology.
TeardownSeptember 9, 2026
Syntetica Wants to Recycle Nylon. The Feedstock Barely Exists in Recoverable Form.
Chemical depolymerisation of nylon 6 back to caprolactam is proven chemistry with decades of industrial history. The constraint has always been that most nylon in the world is blended into textiles that cannot be separated.
ExplainerSeptember 9, 2026
Carbonating Demolition Waste: How Old Concrete Absorbs CO2 Back
Crushed concrete reacts with CO2 to form calcium carbonate. Done deliberately, that upgrades recycled aggregate and stores a modest amount of carbon — and the modest part is where most reporting goes wrong.
Myth-BustingSeptember 8, 2026
"Infinitely recyclable" is a property of glass, not a description of what happens to it
Glass really can be melted and remade forever without losing quality. About a third of it in the US actually is. The gap between those two sentences is the entire story.
TeardownSeptember 8, 2026
"Plasma and lemon juice" recycles batteries — the headline is doing a lot of work
Rice University reports ~95% recovery of critical metals using citric acid. The chemistry is genuinely clever. The framing around it — the lemon, the 10% figure, the record — does not survive a close read.
ExplainerSeptember 8, 2026
Sewage plants are quietly mining fertiliser out of your wastewater
Three ions that a treatment plant desperately wants gone will, under the right conditions, snap together into a crystal worth selling. The same crystal also destroys the pipes. Here is the mechanism.
TeardownSeptember 7, 2026
The EU Right to Repair Covers Less Than the Headlines Suggest
The directive is a real obligation with real teeth. It also applies to a short list of product categories, and the biggest driver of e-waste volume — cheap devices with glued-in batteries — largely sits outside it.
Myth-BustingSeptember 7, 2026
"30% Recycled Content" Under Mass Balance Might Mean None in Your Bottle
Mass balance accounting lets a producer allocate recycled input to selected outputs. The molecules are real somewhere in the plant. They are not necessarily in the product carrying the label.
ExplainerSeptember 7, 2026
Biocarbon in Blast Furnaces: The Volume Problem Nobody Solves
Replacing metallurgical coal with pyrolysed biomass is chemically straightforward and physically constrained. The binding limits are biomass supply and the crush strength of the char, not the reduction reaction.
ExplainerSeptember 6, 2026
Acrylic Is the One Plastic That Really Does Unzip
PMMA depolymerises back to its own monomer at high yield with nothing more exotic than heat. It is the clearest existing example of true chemical recycling — and the reason it stays rare is collection, not chemistry.
TeardownSeptember 6, 2026
tozero's Acid-Free Battery Recycling: Strong Chemistry, Small Numbers
A pilot plant recovering lithium without mineral acid is a genuine contribution. The gap between pilot tonnage and the volume of batteries reaching end of life this decade is three orders of magnitude.
ExplainerSeptember 6, 2026
Microwaves and Deep Eutectic Solvents: A Gentler Route to Battery Lithium
Conventional battery recycling dissolves cathodes in hot mineral acid. Microwave-assisted leaching in a deep eutectic solvent does the same job at lower temperature, in minutes, with a solvent you can in principle reuse.
Myth-BustingSeptember 5, 2026
"Waste-to-Energy Is Clean Renewable Power" — No, and the Reason Is Arithmetic
Burning municipal waste for electricity emits more CO2 per unit of power than a coal plant. The climate case for incineration rests entirely on what the waste would have done instead, not on the electricity.
TeardownSeptember 5, 2026
374Water's PFAS Destruction Numbers Are Real. The Scale-Up Is Not Proven.
Supercritical water oxidation destroyed 42 PFAS compounds at 99.9993% in an independently reported Army Corps evaluation. Getting from that feedstock to raw municipal biosolids at 100 tonnes a day is a different engineering problem.
ExplainerSeptember 5, 2026
One Enzyme That Eats Bioplastic and Penicillin
A soil-derived enzyme called LCPH1 breaks down long-chain polyester bioplastics and cleaves the penicillin beta-lactam ring. It is much better at the second job than the first, which is the detail worth sitting with.
TeardownSeptember 3, 2026
Anferra Says Grinding Sludge Becomes Ferric Chloride and Hydrogen. Here Is What Is Missing.
A startup claims up to 90% iron recovery from steel grinding sludge, a saleable coagulant, hydrogen as a by-product and a negative carbon figure. Almost none of the process detail behind those numbers has been published.
ExplainerSeptember 3, 2026
Magnetic Microrobots for Microplastics: What the Numbers Actually Show
A magnetically driven MXene microrobot removes most microplastic particles from water and rather less from soil. The recovery figures are real; the retrieval and leaching questions are the ones that decide whether it ever leaves the lab.
Myth-BustingSeptember 2, 2026
"It's just food — it rots away harmlessly in a landfill"
Food is a quarter of what goes into landfills and is linked to well over half the methane that escapes them. The reason is that a landfill is not a compost heap — it is the opposite of one.
TeardownSeptember 2, 2026
"Turning waste into graphene" — what the Tohoku experiment actually fed the reactor
A genuine advance: graphene grown at around 300°C instead of 900°C. The waste-derived framing attached to it in coverage describes a step the experiment did not perform.
TeardownSeptember 1, 2026
Biochar dominates the carbon-removal market. The durability is still modelled.
Biochar delivers the overwhelming majority of the world's issued carbon-removal credits because it is cheap and available now. The hundred-to-thousand-year permanence claim rests on inference, not observation.
ExplainerSeptember 1, 2026
The recycling black sheep: sorting the film that optical sorters cannot see
Flexible film and black plastic defeat the two technologies a modern sorting plant relies on. A Finnish process uses density and water instead — and a 50,000-tonne plant is being built around it.
ExplainerAugust 31, 2026
A raft of reeds cut a lagoon's methane by up to two-thirds
Wastewater treatment lagoons are cheap, common, and quietly among the largest methane sources in the water sector. A four-year Australian trial floated plants on one and measured what happened.
TeardownAugust 31, 2026
"Beats commercial epoxy" — the ORNL adhesive result, and the numbers it withholds
The chemistry is credible and the strategy is smart. The headline performance figures have no absolute values, no named comparators, and no test standards attached. Here is what can and cannot be concluded.
ExplainerAugust 31, 2026
Dirty PET goes in. An underwater glue and a stronger plastic come out.
Conventional PET recycling wants clean, clear, single-stream bottles. Oak Ridge built a catalyst-free route that takes the contaminated stuff and splits it into two high-value materials instead of low-grade flake.
TeardownAugust 30, 2026
Vaulted Deep buries organic waste a mile down and sells it as carbon removal
The injection technology is real, permitted, and has been running since 2008. The gap between what has been delivered and what has been contracted is roughly seventy-fold — and the credits rest on a counterfactual.
ExplainerAugust 30, 2026
Two waste piles, one reaction: calcite and hydrogen at the same time
An Ohio State team pairs steel slag and coal ash with captured CO2, mineralises the carbon into calcite, and spends the heat that reaction gives off on splitting water. Here is the mechanism — and what the paper does not tell you.
ExplainerAugust 29, 2026
How a car engine becomes a chemical plant that makes fuel from landfill gas
Emvolon just signed a $450M offtake deal with Freepoint. The mechanism underneath it is unexpectedly simple: run a mass-produced automotive engine deliberately fuel-rich and it stops being a combustor and starts being a reformer.
TeardownAugust 29, 2026
Vale says it will pull rare earths and gold from mining waste. Read the fine print.
Vale already produces 26.3 million tonnes of iron ore a year from material it once discarded. That is real. The rare-earth and gold announcement sitting on top of it has no element, no site, no method and no timeline.
ExplainerAugust 29, 2026
The molecular clamp that grabs gold when you flip a switch
A University of Illinois team redesigned the extraction molecule itself so the organic liquid conducts its own current. It pulled 89% of the gold out of real e-waste leachate — with one to two orders of magnitude fewer reagents.
ExplainerAugust 28, 2026
The magnet that cracks itself apart: how hydrogen decrepitation closes the rare-earth loop
Expose a neodymium magnet to hydrogen and it fractures along its own grain boundaries into a demagnetised powder that can be pressed straight back into new magnets. The mechanism is elegant. Getting the magnets out of the devices is the hard part.
TeardownAugust 28, 2026
99.9% pure CO2 from sewage sludge — reading Rhinoflux's proof-of-concept closely
A Kyoto University spinout says its aqueous chemical looping process turns wet sewage sludge into power at 2–4× biomass efficiency with near-pure CO2 capture. The target problem is real. The disclosed evidence is a feasibility study and a set of conditional verbs.
ExplainerAugust 28, 2026
Scrap car aluminium has an iron problem. Oak Ridge designed an alloy that eats it.
Shredders mix steel rivets into aluminium body sheet, and iron makes recycled aluminium brittle. ORNL's answer was not to purify the scrap but to design an alloy that tolerates the contamination — found by screening two million calculations and verified with neutrons.
Myth-BustingAugust 27, 2026
"When in doubt, put it in the recycling — they'll sort it out"
The EPA's guidance is the exact opposite sentence. One in four items in the bin is contamination, it costs the system $300 million a year, and the doubtful item does not get rescued by the machine.
TeardownAugust 27, 2026
"Hundreds to thousands of times faster" — reading Rice's capture-and-destroy PFAS material
A copper–aluminium clay that traps PFAS and then burns them off is a genuinely good idea. The announcement reports partial destruction as elimination, a speed multiple with no baseline, and no cycle-life curve.
ExplainerAugust 27, 2026
How collapsing bubbles and cold plasma break a carbon–fluorine bond
Two non-thermal routes to destroying PFAS were reported this week. Both work by concentrating the target at a bubble surface, and both prove it the only honest way — by measuring the fluoride that comes off.
ExplainerAugust 26, 2026
An LLM on top of a decade of landfill wellhead data
Loci Controls put a language model over the largest continuous dataset of landfill gas wellhead behaviour. The useful part is not the model — it is that the data density regulators are about to require makes interpretation the bottleneck.
TeardownAugust 26, 2026
Two "direct recycling" startups just got $150M from DOE
Nth Cycle took $100M and Princeton NuEnergy $50M out of the DOE's $500M battery round. Both have operating plants and third-party numbers — which is more than most. Neither has solved the part a grant cannot buy: feedstock.
ExplainerAugust 26, 2026
When a landfill "catches fire" without a flame
An Elevated Temperature Landfill is not a fire. It is a landfill where heat outruns the gas system, the methane-making microbes die, and chemistry takes over — without needing oxygen, which is exactly why it is so hard to stop.
ExplainerAugust 25, 2026
AI-designed zinc sponges for methane — and the gap before a landfill
A Chicago-led team closed the loop from data mining to synthesised, tested metal-organic frameworks for methane capture. Two new materials work at ambient conditions in a lab. Landfill gas is wet, dirty and nothing like a lab.
TeardownAugust 25, 2026
PVC waste becomes premium lubricant — breakthrough, or chemistry with a scale-up bill?
A Nature paper converts PVC into polyalphaolefin lubricants at 70 °C, using chlorine as a reaction handle rather than fighting it. The chemistry is strong. The claim that this solves PVC waste is doing a lot of unearned work.
ExplainerAugust 25, 2026
The plastic that evaporates at 90 °C — and rebuilds itself
A Surrey team made a polyethylene-like polymer that turns to vapour at around 90 °C and condenses back into the same solid. The mechanism is elegant. The distance between it and a recycling system is the whole story.
Myth-BustingAugust 24, 2026
"Treated wastewater is automatically safe to drink"
"Treated" describes a process, not a permitted end use. Between sewage effluent and drinking water sit three distinct categories, each with its own treatment train, monitoring regime and regulator.
TeardownAugust 24, 2026
"They charged for recycling, then dumped it with the trash"
Two doorbell videos show recycling carts going into a garbage truck. That is real evidence of a service failure — and not evidence that recycling is fake. The gap between those two statements is where the actual records live.
ExplainerAugust 24, 2026
Can kimchi scraps become biodegradable plastic?
Engineered E. coli grown on radish-trimming hydrolysate accumulated poly(3-hydroxybutyrate) to 75.6% of dry cell weight. That is a real fermentation result. It is not yet a material, a plant, or a lower-impact life cycle.
Myth-BustingAugust 23, 2026
Donated clothes are not guaranteed to be worn again
A donation bin is a sorting decision, not a disposal guarantee. Wearable, repairable, rag-grade and unusable all go different places — and the condition of what you put in decides which.
TeardownAugust 23, 2026
SiTration and BHP want to mine copper out of mine wastewater
A one-month pilot at a historic Arizona copper site aims to plate saleable copper out of legacy mine water using filtration plus electro-extraction. The bench numbers are strong. The scale numbers do not exist yet.
ExplainerAugust 23, 2026
Can mixed plastic waste become the building blocks for new plastics?
Covestro is backing BioBTX to build a commercial plant in Delfzijl that turns hard-to-recycle plastic into benzene, toluene and xylene. The chemistry is straightforward. The evidence is a construction schedule.
Myth-BustingAugust 22, 2026
Old tyres do not quietly biodegrade once they are buried
A worn tyre is engineered to resist heat, water, ozone and microbes for a decade on a vehicle. Burying it does not switch that off — it turns three durability features into three disposal problems.
TeardownAugust 22, 2026
"Zero-emission" trash trucks arrive in Coconut Creek — what the claim leaves out
Six electric collection vehicles, billed as Florida's first fully electric residential fleet. The tailpipe number is real. It is also the only number the announcement gives you.
ExplainerAugust 22, 2026
Meet the solar-powered garbage robot
A Chandigarh University patent describes a mobile machine that finds waste, picks it, splits it wet from dry, compacts it and drives it away. The mechanism is easy to picture. The evidence is not there yet.
Myth-BustingAugust 21, 2026
"Biodegradable" does not mean it disappears in a landfill
The word sounds like a disposal instruction. It is not. Whether anything degrades depends on the bin it lands in — and the US regulator's benchmark for an unqualified claim is a full year, in the route the product actually takes.
TeardownAugust 21, 2026
Denovia's "millions to billions" polyester framework
A molecular-recycling company and a major polyester producer have agreed to work together. The announcement contains a number measured in billions of pounds. It also contains no obligation to build a plant, process a tonne, or license anything.
ExplainerAugust 21, 2026
How biohazardous lab plastics can become recyclable material
Laboratory plastic is regulated waste before it is a material. A new on-site system shreds, disinfects and dewaters it where it is generated, so what leaves the building is polymer flake rather than a hazard consignment. The step from flake to product is the one still missing.
Myth-BustingAugust 20, 2026
“Flush unused medicines — the sewage works removes them anyway”
Conventional wastewater plants were built to remove suspended solids and biodegradable organic matter. Pharmaceutical compounds were never part of the design brief. The FDA's flush list exists precisely because flushing is the exception, not the default.
TeardownAugust 20, 2026
EPS transport packaging leaves the “problematic” list — but is it circular?
On 19 August the U.S. Plastics Pact removed expanded-polystyrene transport packaging from its Problematic and Unnecessary Materials list, citing a recycling rate above 30%. That is a real result on a narrow slice of foam — and it is not permission to put your foam cup in the recycling bin.
ExplainerAugust 20, 2026
Can aircraft waste become an aerogel?
Carbon-fibre epoxy composites are among the hardest materials to recycle, because the resin will not melt back. A team at NUS skips fibre recovery entirely and turns the whole waste stream — fibre and epoxy together — into a freeze-dried porous block.
Myth-BustingAugust 19, 2026
"If it is plastic, put it in the recycling bin"
Bags, wraps and mailers are plastic, carry resin codes, and look recyclable. They are also one of the most reliable ways to shut down a sorting line.
TeardownAugust 19, 2026
Does BASF's tyre-derived wall paint close the loop?
End-of-life tyres go into a pyrolysis reactor; a certified share of recycled feedstock comes out attributed to a tin of interior paint. The chemistry is real, the audit is real, and the word doing the most work is "attributed".
ExplainerAugust 19, 2026
The sunlight-and-catalyst filter that attacks wastewater pollutants
Photocatalysis usually arrives as a powder you then have to fish back out of the water. Fixing the catalyst to a resin bed turns it into something closer to a treatment step: water in one end, oxidised organics out the other.
Myth-BustingAugust 18, 2026
"Recycling is always better than reuse"
Recycling has become the default green answer, which quietly skips two better options sitting above it. The waste hierarchy is not a slogan — it is a ranking, and it puts reuse first for a specific reason.
TeardownAugust 18, 2026
HUI has a waste-to-SAF licence. It does not yet have a plant
On 17 August, Hydrogen Utopia International bought a $500,000 UK licence for plasma gasification aimed at sustainable aviation fuel. A licence is a real asset. It is also nine milestones short of a litre of jet fuel.
ExplainerAugust 18, 2026
Can LFP batteries be recycled without dissolving them?
Iron-and-phosphate cathodes are cheap, which is exactly why conventional recycling struggles to pay for them. Direct regeneration takes a different route: repair the cathode powder instead of breaking it back down into salts.
Myth-BustingAugust 17, 2026
Paper cannot be recycled forever
Paper is one of recycling's genuine success stories — 68.2% recovery, the largest modelled share of MSW greenhouse-gas reduction. It is also finite at the fibre level. The loop is a cascade, not a circle.
TeardownAugust 17, 2026
Cleaner water, different signature: the UV-and-ozone endocrine result
A study of a Tianjin plant found UV and ozonation knocked out estrogenic and thyroid activity — and pushed anti-androgenic activity above a study-derived trigger value. Important finding. Not a verdict on ozone.
ExplainerAugust 17, 2026
Can wastewater be a mine? The coagulant loop, explained
A UK startup just raised £700,000 to pull aluminium and iron treatment chemicals back out of water-plant sludge. It is a good excuse to explain a circular loop most people never see: the chemicals that clean water can themselves be recovered.
Myth-BustingAugust 16, 2026
All glass is not interchangeable in the recycling bin
A tumbler and a jam jar look like the same material. To a container-glass furnace they are not. Here is why household glass collection is built around bottles and jars specifically — and what to do with everything else.
TeardownAugust 16, 2026
MIT's recyclable stretch yarn: a design win, not yet a system
A polyethylene core-sheath yarn that stretches like PET-spandex and survives ten melt-and-respin cycles. The material result is real. The gap between a recyclable yarn and a recyclable garment is where almost all of the difficulty still sits.
ExplainerAugust 16, 2026
The three-day composting machine, explained
Shah Alam is turning food waste from 2,000-plus premises into fertiliser in three to four days. That speed is not magic — it is source separation, moisture control and managed aerobic biology. Here is what happens inside, and the data the report leaves out.
Myth-BustingAugust 15, 2026
"Flushable" on the packet does not mean flushable in the sewer
Toilet paper broke apart in eight seconds in a utility disintegration test. A wipe labelled flushable had not begun to break up after thirty minutes. EPA's guidance is unchanged: flush only toilet paper.
TeardownAugust 15, 2026
rStream's Gillette Stadium sorter: strong pilot signal, incomplete proof of scale
A trailer-mounted AI sorter is processing post-event waste at Gillette Stadium, with a reported 99% accuracy across seven events. The deployment is real. The denominator, the tonnage and the end-market data are not published.
ExplainerAugust 15, 2026
The battery-fire tripwire inside an MRF
CP Group's Sentry pairs X-ray with RGB cameras and AI to spot batteries and propane cylinders on a moving recycling line. Circular Services is installing it now — here is how the detection zone works, and which numbers nobody has published yet.
Myth-BustingAugust 14, 2026
Recycling does not always use more energy than making something new
Collection trucks and sorting lines are visibly energy-hungry, which makes the myth feel obvious. EPA's own numbers say otherwise for most materials — but the word doing the damage in the myth is "always", and it cuts both ways.
TeardownAugust 14, 2026
75% recycled does not equal 75% circular
SABIC has launched a carbon-fibre-reinforced polycarbonate with more than 75% post-consumer recycled content, made from water bottles, CDs, golf shafts and turbine blades. The materials engineering is real. The circularity claim is doing more work than the data supports.
ExplainerAugust 14, 2026
Rain gardens that think ahead
A rain garden is a passive filter: rain goes in, soil and microbes do what they can. UNSW put sensors and a forecast-driven valve on one. Here is how holding water longer changes the chemistry inside the bed.
Myth-BustingAugust 13, 2026
A greasy pizza box does not automatically belong in the trash
Grease alone is not a disqualifier for a pizza box — EPA says recycle it. Loose food, liners and your local programme's rules are the parts that actually decide.
TeardownAugust 13, 2026
Divert's 2.5-million-pound food-to-energy claim: circular loop or scoped case study?
Divert and US Cold Storage say 2.5 million pounds of unsold food became renewable natural gas and fertiliser in 15 months. The operating facts are solid. The carbon accounting behind them is not published.
ExplainerAugust 13, 2026
Can old solar panels be "flotation-mined" for silver?
A University of Newcastle pilot ran end-of-life solar cell material through continuous froth flotation and recovered virtually all of its silver. Here is the mechanism, stage by stage — and what "nearly 100%" actually covers.
Myth-BustingAugust 12, 2026
No, plastic cannot be recycled forever
Metals and glass survive remelting largely intact. Polymers do not. Every mechanical loop shortens chains, and the recycling symbol says nothing about how many loops a package will realistically get.
TeardownAugust 12, 2026
ERI Vietnam: a good partner, an unproven loop
A 50/50 e-waste venture between a large US recycler and a Vietnamese environmental-services group has real operational strengths. What it does not yet have is a plant, a permit, a mass balance or a named downstream buyer.
ExplainerAugust 12, 2026
Can a wetland be a wastewater treatment plant? The Fe-Mn biochar upgrade
A planted gravel bed is a reactor, not a garden. A new study swaps the gravel for iron-manganese modified rice-husk biochar - and reports strong nitrogen and phosphorus removal on wastewater too carbon-poor for conventional denitrification.
Myth-BustingAugust 11, 2026
No, the recycling facility does not wash your containers
A sorting facility separates materials. It does not run a dishwasher. Here is what "empty and rinsed" actually means, why food-soiled items cause real damage, and where over-cleaning becomes its own problem.
TeardownAugust 11, 2026
Mexico's paper recycling headline, taken apart
54.1% recovered. 89.5% recycled content. Both figures are real, both come from the same 10 August study, and they measure different things. Separating them changes what the numbers say about household recycling.
ExplainerAugust 11, 2026
The sewage lagoon that still leaks methane
A lagoon treatment train can strip pollution out of sewage and still push methane into the air. A paper published on 10 August measured one facility at roughly 2.0-2.3 times its reported estimate. Here is where the gas escapes.
ExplainerAugust 10, 2026
How an AI-assisted MRF actually sorts your recycling
Abu Dhabi is building a 400,000 tonne-a-year material recovery facility with optical sorting and AI. Here is what that machinery actually does to a conveyor belt of mixed waste - and what still falls off the end as residue.
TeardownAugust 10, 2026
Nine companies, one shared recycling line: Japan's flexible-packaging trial
A Ministry of the Environment-commissioned demonstration puts nine Japanese companies on a shared platform to delaminate and deink flexible packaging. It is a genuinely interesting infrastructure model. It is not yet proof of scale.
Myth-BustingAugust 10, 2026
No, burning trash for electricity does not make recycling pointless
Energy recovery has a legitimate place in a waste system. It sits below prevention, reuse, recycling and composting - and roughly a tenth of what goes in still comes out as ash bound for landfill.
TeardownAugust 8, 2026
A KitKat wrapper made from soft plastics: closed loop, or mass-balance proof of concept?
Nine and a half tonnes of pyrolysis oil, five tonnes of resin, seven million wrappers. A real supply chain ran end to end - and almost none of the numbers that would prove it works were published.
Myth-BustingAugust 7, 2026
A dead lithium-ion battery is not safe in the trash or the blue bin
A battery that no longer powers your device still holds enough energy to start a fire when it is crushed in a collection truck or a sorting line. The recycling symbol on it does not mean curbside.
TeardownAugust 7, 2026
PureCycle's commercial rebound has real proof points - the economics are still on trial
Q2 brought first branded resin deliveries, seven customer conversions and 173% revenue growth. It also brought a $142m net loss. A look at what advanced recycling has actually demonstrated, and what remains a forecast.
ExplainerAugust 7, 2026
Dirty solvent in, reusable solvent out: the distillation loop behind on-site recycling
A US$25m financing deal for on-site solvent recycling is a good excuse to look at the mechanism itself: how heat, vapour and a condenser separate reusable solvent from everything else - and what the leftover still bottoms actually cost you.
Myth-BustingAugust 6, 2026
"A landfill is just a hole in the ground"
A regulated municipal solid-waste landfill is an engineered containment system with liners, leachate capture, gas wells and decades of post-closure obligation. That is also not the same as saying it is safe forever.
TeardownAugust 6, 2026
"Two Indonesian waste-to-energy projects secured" - award, milestone, or conditional headline?
SUS ENVIRONMENT says it was selected as preferred partner for two Indonesian WtE projects. The announcement contains no capacity, financing, schedule or emissions data - and a Conditional LOA is not a project.
ExplainerAugust 6, 2026
Why landfill methane spikes when the weather turns
A two-and-a-half-year monitoring run at a New Jersey landfill estimated roughly five times the methane previously reported. The mechanism is seasonal, and it is not exotic.
Myth-BustingAugust 5, 2026
The triangle with a number does not mean "put me in the blue bin"
The chasing arrows around a 1, 2 or 5 identify the resin. They say nothing about whether your hauler collects it, whether the sorter can capture it, or whether anyone will buy it.
TeardownAugust 5, 2026
Casablanca's $1.5B waste-to-energy bet: circular solution or combustion lock-in?
A 33.5-year exclusive treatment concession, three combustion lines and roughly 1 TWh a year. The contracts are signed. The financing, the emissions baseline and the recycling question are not.
Myth-BustingAugust 5, 2026
"Compostable" does not mean backyard-compostable
A compostable label describes how a product behaves under specified industrial conditions. It is not a promise that your compost heap, or your recycling bin, can handle it.
ExplainerAugust 5, 2026
Turn phenols into a solid: the wastewater electrode that recovers pollution
Most advanced oxidation burns a pollutant down to CO2. A new iodine-shuttling anode does the opposite: it stitches phenols together into an insoluble solid you can filter out.
TeardownAugust 5, 2026
Tire-to-fuels campus: breakthrough, or a press-release milestone?
Waste Energy says its Midland, Texas campus has entered final commissioning. That is a real construction milestone — and it is not the same thing as proven commercial scale.
ExplainerAugust 5, 2026
Can a landfill machine run itself?
WM has moved a bulldozer operator out of the cab and is preparing to test an autonomous compactor. Here is what each step in that ladder actually changes on the working face.
TeardownAugust 1, 2026
Reading the BITS Pilani Wastewater Claim Line by Line
Six nines of disinfection, 90% organics removal, reusable water and biogas — announced without an energy balance, a cost figure, or a recovery yield. A teardown of what the numbers do and do not say.
ExplainerAugust 1, 2026
Electric Pulses, Bacteria, Biogas: A Three-Stage Loop for Biopharma Wastewater
A BITS Pilani system disinfects pharmaceutical wastewater with electric pulses, digests the organics biologically, and turns the leftover sludge into methane. Here is the logic of each stage.
Myth-BustingAugust 1, 2026
Is Turning Plastic Into Hydrogen Actually Recycling?
The chemistry is real. The label is doing a lot of work. If the outputs are hydrogen gas and mineral carbonate, no plastic has been recycled — something else has happened.
ExplainerAugust 1, 2026
How Alkaline Thermal Treatment Pulls Hydrogen Out of Unsorted Plastic
A new PNAS study converts mixed PET, PE and PP into >90% pure hydrogen in one reactor — no polymer sorting, and most of the carbon never reaches the gas phase.
Myth-BustingJuly 31, 2026
Recycling Everything Is Not Automatically More Circular Than Reuse
China's second-life battery decision is being read as a win for the circular economy. Shredding a working battery to recover its metals is the opposite of the waste hierarchy.
TeardownJuly 31, 2026
China Deletes the Second-Life Battery Rulebook
On 30 July, MIIT abolished the announcement-management system for cascade use of retired EV batteries. Not a ban on reuse — the removal of the official channel that made reuse financeable.