Other Chemical Processes TRIZ Cases

Nitric acid extracts rhenium and cobalt from reduced titania catalysts, resolving metal recovery challenges in Fischer-Tropsch processes.

A nanomatrix carbon composite integrates dispersed carbon particles within a cellular matrix to deliver high strength and thermal conductivity.

An extended blade tip on a forward-curved impeller minimizes shock and separation losses at the suction side, maintaining high pressure difference.

High-density marker substances in rubber mixtures enable online dispersion quality assessment through ultrasound scattering, eliminating offline testing delays.

Iron and magnesium catalysts in the slurry maintain high polishing rates while reducing total metal content and preventing pattern defects.

Hydrophobic porous polymer particles selectively absorb trace oil from water, reducing concentrations below 10 ppm to meet environmental discharge limits.

A polishing composition uses silica with specific thermogravimetric properties and low pH to deliver high-speed material removal.

Covalently binding magnetic particles to porous surfaces overcomes pore blocking and loading capacity limits in biomolecule separation.

ALD and MLD coatings trap polysulfides to stop shuttle effects, boosting energy density and cyclability in lithium-sulfur batteries.

An aggregation inhibitor prevents silica-polymer clumping, reducing light point defects and filter clogging.

Specific monomer ratios enhance hydrolysis resistance while maintaining compression set characteristics in engine oil seals.

Multi-step thermal treatment reduces silica pore volume, resolving mechanical instability and batch inconsistency in high-pressure HPLC columns.

GIS zeolite with controlled aluminum and phosphorus content overcomes low selectivity by minimizing crystal lattice distortions.

Impregnating metal oxide particles with a crosslinking agent before polymer grafting achieves uniform coatings and high surface coverage.

A polymerizable composition creates an absorption-desorption sheet embedding deliquescent salt within a durable hydrophilic matrix.

Composite silicotitanate granules resist mechanical stress and reduce fine powder generation during column-based decontamination of radioactive waste solutions.

Stationary blade flow path constant diameter portion restricts outward velocity component, preventing supersonic relative inflow and shock wave losses.

Walnut shell biochar loaded with La(OH)3 nanorods via sequential precipitation.

Replacing antimony-based initiators with onium gallate salts eliminates strong acid corrosion and preserves transparency in cured optical articles.

A water filtration apparatus uses polypeptide-functionalized nanoparticles to absorb heavy metals and organic compounds from contaminated sources.

High temperature pyrolysis of coconut shells creates hard carbon anodes that overcome the low rate performance limits of traditional graphite materials.

Adding a low HLB surfactant to the dried resin increases bulk specific gravity without reducing water absorption speed.

Embedding biochar in a sodium alginate gel matrix overcomes dispersion issues while achieving 86.25 mg/g cadmium removal capacity.

Metal-organic framework adsorbents selectively capture multi-ring naphthenes to upgrade Group II base stocks into high viscosity index lubricants.

A polishing composition containing organic compounds with fluorine or nitrogen atoms improves substrate wettability.

Optimized alcohol concentration prevents infrared absorbent precipitation, ensuring stable discharge and rapid drying on non-permeable substrates.

A composite gel body absorbs water from engine oil using a silicate and organic macromolecule network, preventing polymer leakage at high temperatures.

Optimized amino group ratios on water-insoluble carriers resolve the trade-off between high adsorption efficiency and carrier physical strength.

Oil-coated hair-like protrusions capture microplastics through interfacial forces, bypassing clogging and energy costs of mesh filters.

Replacing wood powder with nepheline syenite or feldspar eliminates moisture absorption and fire risk while enhancing UV stability.

Oxygenated metal compounds capture lithium salts through Lewis acid-base interactions, replacing weather-dependent evaporation with rapid chemical separation.

Pyrrolidinium ionic liquids stabilize copper (I) halides to selectively remove acetylenic compounds from olefin streams.

Cocoon-shaped abrasives combined with carbonate salts buffer pH to prevent phase separation while maintaining high removal rates for barrier layers.

Metal chelate coating prevents moisture degradation of tungsten oxide particles while maintaining infrared absorption.

Pulse spray hydration controls droplet scattering index to prevent surface property changes and reduce fine powder generation.

Viscoelastic interlayer between titanium leading edge and composite blade dissipates energy to reduce flutter risk without adding components.

Saponification of polysaccharide-grafted polymers yields granules that maintain water absorption capacity despite salt interference.

A UV-curable polythioether sealant composition fills and smooths surface defects on aircraft panels.

Tetravalent metal hydroxide abrasive grains remove material via chemical reaction, maintaining high polishing rates while inhibiting substrate scratches.

Coacervate coating forms porous shells on metal oxide cores, resolving contamination and size distribution issues in chromatographic applications.

Microencapsulation protects thermochromic pigment from polymerization instability, enabling reliable temperature indication.

Zeolite adsorbents with hierarchical porosity and low binder content enhance mass transfer rates.

pH-controlled aqueous extraction isolates 2-cyanophenylboronic acid while retaining imine impurities in the water phase.

A tungsten chemical mechanical polishing slurry uses guar gum and iron ions to inhibit dishing.

Microporous beta zeolite adsorbs mycotoxins via acidic sites, resolving nutrient impairment from conventional adsorbents.

A metal film composition using aluminum or magnesium powders with specific sol-gel resins enables low-temperature curing.

A gel-like water absorption inhibitor penetrates porous materials to impart durable hydrophobicity.

An ammonium salt with a carboxylic acid anion generates a base at 40°C to catalyze thermosetting resin cyclization.

A monitoring device synchronizes ingredient loading with paddle mixer revolutions to maintain feed homogeneity.