Solid Waste Disposal TRIZ Cases

See how centrifugal attrition in a rotating intensive mixer separates aluminum from organic res

See how polymer melt yarn stitching enables thermal disassembly of textile articles, removing h

See how oil agent pretreatment reduces friction and protects fiber length, strength, and scale

See how a hinged press inverts coffee capsules through an annular rim to eject grounds safely w

See how polymer melt yarn stitching enables automated textile disassembly through controlled he

See how a top-inlet perforated basket and rotating blade system separate coffee capsule organic

See how an undulating surface distorts capsule rims during compression to separate sealant laye

See how a cutting element and blade mechanism separate closure walls from capsule bodies to ena

See how a rotating cleaning roller with steam heating and mechanical separation replaces manual

See how segmented lid cutting and body emptying prevent mixing of coffee grounds with capsule p

See how a hinged piston mechanism separates used coffee from single-dose capsules, enabling hom

See how a compact bladed impeller and auger system tears capsule packs and separates organic wa

See how selective heating decomposes carpet backing below face-fiber melting point, enabling me

See how a helical conveying device redistributes exhausted powder material inside a beverage ma

See how adaptive speed control and feedback-driven pulsing optimize ice crushing by adjusting c

Controlled heating degrades carpet backing below the face-fiber melting point, enabling mechanical separation of cleaner fibers with less labor.

See how selective thermal treatment degrades backing binder below face-fiber melting point, ena

Heating carpet above backing decomposition temperature but below face fiber melting improves fiber recovery, purity, and labor efficiency.

Multi-level blades, paddles, and wings process all food layers evenly, improving cutting, mixing, and whipping of viscous materials.

Gasification plus plasma cleanup treats mixed hazardous waste more efficiently, cuts tar and particulates in syngas, and vitrifies residues.

Computer-based feedback adjusts film processing parameters to cut scrap in self-supporting dosage film production and improve yield.

Mechanical opening and sieving separate used capsule packaging from residual coffee grounds, enabling lower-energy recycling and composting.

Plasma treatment of gasifier offgas and char cuts particulates and tar, producing cleaner syngas for more reliable turbine use.

Plasma treatment of gasifier offgas and char cuts particulates, tar, and harmful species to produce cleaner syngas and reduce turbine clogging.

Colloidal metal oxides speed in situ hydrocarbon cleanup in water and soil by boosting microbial oxidation and forming a biobarrier.

Heating carpet above backing decomposition but below face-fiber melting makes the backing friable for cleaner fiber recovery with less labor.

A closed-loop fluid well network extracts landfill heat through conductive backfill, improving thermal control and usable energy recovery.

Combining gasification with plasma treatment converts offgas and char into cleaner syngas while reducing tar, particulates, and hazardous char disposal.

A rack-and-pinion platen crushes pills in one action, improving powder consistency while easing cleaning and reducing cross-contamination.

Mountain pine beetle wood chips with native microorganisms break down hydrocarbon waste more stably and cost-effectively than traditional additives.

Plasma treatment of gasification offgas and char cuts particulates and tar, producing cleaner syngas and reducing turbine cleaning needs.

An integrated piston mechanism in an espresso machine separates coffee grounds from aluminum capsules and crushes the shells for easier recycling.

Ammonia- and amine-assisted leaching recovers cobalt and nickel from Li-ion battery waste while separating aluminum, iron, and manganese.

A sliding stretch plate, lifting device, and chain hooks invert used tires with less labor, enabling practical reuse as durable products.

Air injection, pressurizing rollers, and wet treatment open pouch-cell separators for low-energy recovery of positive and negative electrode plates.

Controlled heating melts EVA adhesive so solar panel glass, wafer, and backplane layers can be separated and recycled without polluting combustion.

Crushing waste batteries in an amphiphilic solvent dissolves electrolyte, suppresses evaporation, and lowers fire and explosion risk during recycling.

Calcium and fluorine in acidic leaching precipitate aluminum from Li-ion battery waste while preserving nickel and cobalt recovery.

Fluorine is precipitated from lithium solution, then residual reagent is removed to obtain purer lithium carbonate with lower recovery cost.

Calcium and fluorine precipitate aluminum during acidic battery-powder leaching, limiting nickel and cobalt loss in metal recovery.

Controlled inert heating at 1150-1400°C removes graphite while limiting oxidation and slag, improving Ni-Co-Mn alloy and lithium recovery.

Chlorine-based chlorination converts lithium in polyanion cathodes to LiCl, enabling solvent separation without toxic acid waste.

Continuous low-temperature drying with feed and discharge locks recovers electrolyte while reducing seal stress, HF risk, and energy use.

Tear fibers from textile waste and core/sheath binders create a lightweight acoustic nonwoven with strong sound absorption and strength.

Calcium-based flux tunes slag chemistry in dry smelting to remove phosphorus and recover copper, nickel, and cobalt from waste lithium-ion batteries.

Weak acid immersion breaks binder-metal adhesion in coated composites, enabling fast delamination, low corrosion, and cleaner battery electrode recovery.

Raising shredding-liquid flash point during lithium battery recycling cuts flammability risk while preserving solvent reuse and metal recovery.

Two-stage desublimation separates metal chlorides after battery chlorination, raising Li, Mn, Ni, and Co recovery while limiting pollution.

A kneaded sulfuric-acid leaching paste uses ORP control, iron powder, and antifoam to recover cobalt and nickel with less chemical use.

Two-stage solvent extraction with scrubbing and stripping removes sodium and other impurities to recover high-purity cobalt from battery waste acid.

Cooling batteries in a gaseous environment before crushing safely discharges residual energy and helps prevent fire, explosion, and pollution.

Ozone dosing and high-shear stirring improve flotation of black mass, enabling graphite recovery above 90% concentration and over 70% yield.

Cooling batteries before shredding and stabilizing the flakes removes slow salt-water discharge while reducing fire risk, cost, and waste.

A complexing solvent and low-boiling counter-solvent recover high-purity lead iodide from perovskite solar cells with lower energy use.

Mechanical milling modules break down solar panels in stages, cutting pollution, energy use, and equipment size during recycling.

Sequential iron-powder cementation and lime precipitation remove copper and other black mass leach impurities while simplifying lithium-ion battery recycling.

Direct wet tearing and staged screening separate waste lithium-ion battery materials without discharge or drying, reducing fire risk.

A guided cutting mechanism automates junction box removal from solar modules, reducing labor and preventing glass cover damage.

An aligned cutting seat automates junction box removal from solar modules, reducing labor and avoiding glass cover damage during recycling.

Adaptive cutting blades, clamping, turnover, and stripping automate battery module dismantling while reducing burr injury and cell damage.

EDTA stripping removes iron from solid phase extractants without concentrated acids, preserving resin stability in valuable metal recycling streams.

An aqueous oxidant and halide mixture extracts lithium under mild conditions, cutting pressure, energy use, and environmental impact.

Residual-voltage screening and 3-stage separation enable safer pouch battery disassembly while improving material recovery and worker protection.

Reprocessed staple and core-spun fibers maintain sound absorption and strength while keeping automotive acoustic nonwovens lightweight.

Alkaline washing removes copper and aluminum before calcination and water leaching, improving spent Li-ion metal purity and recovery.

Vacuum drying removes electrolyte before shredding used lithium batteries, reducing flammable gas risk and improving material purity for recycling.

Grinding, heating, and forced airflow turn household organic waste into a dry, shelf-stable output while reducing methane and shipping weight.

Oxalate leaching separates Co/Li and Al/Fe at moderate conditions, then recycles reagents in a closed loop to cut waste and cost.

Waste silicon-carbon anodes are rebuilt with MOF-derived carbon and graphite to curb expansion, improve conductivity, and enable material reuse.

Multiple wire cutters and image recognition follow adhesion lines to separate thin solar panel layers for more efficient recycling.

Freezing added moisture cracks defective electrode laminates, enabling impact and gas flow to separate reusable battery material from foil.

Dry ice particle spraying crushes defective electrode coatings off current collector foil, enabling material recovery and foil reuse.

Moisture freezing cracks defective electrode laminates, enabling impact and gas separation of electrode material from current collector foil.

Dry ice particle spraying separates electrode material from current collector foil during unwinding, cutting waste and disassembly time.

A two-stage hydrochloric acid suspension and dissolution process increases battery powder loading, improves workability, and limits chlorine gas.

Merges fossil hydrocarbon processing with solid carbon gasification to increase chemical yield while sequestering biogenic CO2.