Other Chemical Processes TRIZ Cases

Fenton oxidation of lignocellulosic bark removes water-soluble tannins to prevent secondary pollution while increasing radionuclide capture.

A method using aluminum and sodium hydroxide to create reducing conditions for rust removal on iron surfaces.

Silane-modified isocyanate crosslinkers resolve viscosity trade-offs in high-solids coatings, maintaining fluidity while increasing nonvolatile fraction.

Gem-diphosphonic functional groups enhance indium sorption capacity in macroporous copolymers.

Acid wash and isomorphic substitution introduce mesoporosity into low Si/Al zeolites while maintaining crystallinity.

Short chain polyol fluids eliminate aquatic toxicity from glycols while maintaining Type IV anti-icing performance.

A flexible carbon fiber nonwoven fabric uses chemical vapor deposition to coat ultrafine fibers with a carbon-silicon composite layer.

Blending polyolefins with distinct melt tensions maintains expansion ratio and sealing ability during high speed production.

A laminated glass interlayer film uses specific benzotriazole and triazine derivatives to block ultraviolet radiation.

An alkaline aqueous solution replaces organic solvents to recover over 99% pure bitumen while eliminating toxic naphtha waste.

Controlled micropore and mesopore volumes in activated carbon resolve viscosity bottlenecks to improve sugar liquid decolorization rates.

A specialized slurry with low silica and alkaline content improves global and local flatness in a single step, eliminating sequential processing delays.

Radio-opaque polymeric gaskets incorporate barium sulfate additives to enable x-ray imaging detection of fragmented elastomeric materials.

Silica shell coating on magnetic anion exchange resin particles prevents material loss during water treatment while maintaining high exchange capacity.

Simultaneous nozzle deposition cuts layer time and boosts throughput.

Presulfiding sorbent particles increases sulfur loading by 15% to reduce unit downtime and operational costs during hydrocarbon processing.

Ice templating and particle crosslinking yield elastic macroporous scaffolds that recover shape after compression, solving brittleness in tissue engineering.

Gel grinding with specific energy levels modifies water absorbent resin shape to resolve the trade-off between permeability potential and water absorbing rate.

Functionalized polymer captures phosphate esters via electrostatic attraction, reducing matrix interference and improving detection sensitivity.

Adding erythorbic acid or hypochlorous acid prevents oxidation of natural ingredients, preserving deodorizing performance during long-term storage.

Stress-localized polyurethane coatings maintain low ice adhesion while resisting rain erosion and mechanical wear in harsh aerospace environments.

Segmented polishing uses a specialized composition to eliminate laser mark protrusions, ensuring flat surfaces and reducing processing time.

FeTiAlO5 grain boundaries deviate crack propagation in the alumina matrix, resolving hardness versus fracture toughness trade-offs.

A chromatography packing material uses amino acid ligands on a hydrophilic matrix to adsorb biopolymers.

A gelled polysaccharide binder joins lithium adsorbent particles through ionic bonding with divalent cations.

A multilayer adsorbent filtering item uses a porous support impregnated with activated vegetable carbon and coated with permanganate salt.

Composite curable compositions using polyamine and ortho-dihydroxyaryl components enhance corrosion resistance and interlayer bonding at elevated temperatures.

Specific slurry additives boost silicon oxide removal while reducing defects, resolving the trade-off between productivity and precision.

Alkoxide-coated calcium oxide particles maintain rapid moisture absorption speed while enabling compatibility with hydrophobic resins.

Reactive silicon group-containing polymer restricts cobalt concentration below 0.5 ppm to eliminate red coloration while maintaining storage stability.

A light-shielding film composition uses titanium atom-containing black pigments and organic dyes to achieve precise optical density.

A chromate-free coating composition reduces galling in aircraft fasteners through hydrophobic layer formation.

Controlled micropore structure selectively adsorbs protein-bound toxins while preserving essential proteins in blood purification systems.

Surface-crosslinked water-absorbing resin reduces odor by limiting volatile component concentration to 3.5 ppm.

Solvent swelling allows polymer permeation into the base resin, preventing protein and blood cell adsorption on medical device surfaces.

Crystalline zinc oxide, amorphous aluminum silicate, and hydrazide compound form a deodorizing composition.

Segmented alkoxysilyl blocks in methacrylic copolymers reduce storage viscosity by preventing premature hydrolysis and crosslinking.

Porous ceramic adsorption member with metal oxide layer removes mannan from seawater.

Engineered carbon forms remove at least 80% of proteins within 120 minutes, addressing slow removal speeds in sepsis treatment.

A water-dispersed aerogel mixture stabilizes silica microparticles without auxiliary agents, eliminating dust generation and gelation instability.

Recycles cleaned carbon solids from a second stage back to the first stage in a multi-stage PACT system.

Solar-heated polymers cycle between swollen and shrunken states to collect water, reducing energy costs compared to mechanical desalination systems.

A zwitterionic-bias copolymer material separates leukocytes from blood samples using controlled electrostatic interactions.

Segmented treatment sections resolve the volume-reliability trade-off in low-capacity operations, while inverted weirs eliminate sediment buildup.

Polysaccharide-phyllosilicate nanocomposites absorb complex fluids like menses without forming impermeable layers that impair efficacy.

Optimized 100 μm to 2 mm granules absorb liquids while minimizing dust suspension and respiratory discomfort during outdoor spill response.

Granulated plant powder with a Carr's fluidity index of 40 or greater prevents bridge formation in hoppers, ensuring continuous wastewater treatment.

Intimate admixture of wax droplets under 2 μm reduces viscosity, enabling high molecular weight polymers to spin into strong fibers.