Physical/Chemical Process Catalysts TRIZ Cases

This case uses coated substrates, Mg—Si—O catalysts, and controlled ammonia flow to limit impurities and tune BNNT diameter.

Catalytic oxidation converts cannabidiol to high-purity cannabinol while limiting toxic solvents, heat, and side products.

This case uses heterogeneous metal oxides to decarboxylate aminobenzoic acid, improving aniline yield and simplifying purification.

Electrostatic dehydration, sulfur pretreatment, hydrotreating, and distillation refine pyrolysis oil while protecting catalyst activity.

Fluidized reactor zones limit hot spots, fouling, and impurities in SPG II polypropylene.

Temperature and flow feedback estimate heat transfer structure life, helping avoid premature replacement and performance loss.

Removable UV reflectors increase photocatalytic exposure for airborne contaminant reduction.

Segmented glazing maximizes ultraviolet transmission to activate the photocatalyst while absorbing harmful rays to prevent interior degradation.

A photocatalytic air purification unit uses a titanium dioxide coated surface to break down pollutants via UV light.

Rolling bodies reduce friction between guide elements and thin metal foils, preventing deformation during large honeycomb body production.

Embedded optical fiber supplies ultraviolet light to a photocatalytic layer for consistent disinfection.

Porous precursor support material prevents channeling to maintain stable vapor concentration at high flow rates.

A bisphenol composition containing aromatic alcohol sulfonate enables efficient melt polymerization of polycarbonate resins.

A guard bed with adsorbent material treats paraffin feedstock to remove impurities before separation.

Beta-SiC fibers in the bonding layer lower volume resistivity for uniform Joule heating while maintaining structural integrity against thermal shock.

A segmented cylindrical catalyst body features a four-cornered prism base and a central through-opening to enhance mechanical stability.

Optimized cordierite partition wall pore structure balances pressure loss reduction with particulate trapping performance.

A honeycomb structure with inclined cell arrangements in circumferential and central portions maintains mechanical integrity under thermal stress.

Oligomerizing linear olefins with acid catalysts creates synthetic drilling fluids with controlled molecular structures.

Structure I aromatic solvents extend catalyst lifetime and increase olefin conversion by preventing rapid fouling during surfactant production.

Calcining spent Claus catalyst recovers alumina compounds, eliminating red mud waste and chemical reagent consumption.

Porous particles support nickel catalysts in solid oxide fuel cell anodes to boost internal reforming rates.

Replacing wire screens with a disposable milled plate prevents catalyst loss from corrosion and thermal expansion in radial flow reactors.

Slit geometry in reactor walls retains fine catalyst particles without obstructing flow or weakening structural integrity.

A four-step synthesis route for sitagliptin using direct reduction and fluorination to produce key intermediates efficiently.

Liquid carrier compound penetrates concrete to embed titanium dioxide catalyst, reducing nitrogen oxides without replacing existing structures.

Thickening corner portions of a honeycomb filter reduces thermal stress concentration and pressure loss variance during soot combustion.

Solid double metal cyanide catalyst drives transesterification of cyclic carbonates with alcohols to produce dialkyl carbonates.

Segmented feedstock treatment with specialized catalysts raises octane ratings and lowers vapor pressure.

Inverting the heating disk downstream prevents premature pollutant desorption, maintaining adsorption until light-off temperature is reached.

Polyglycolic acid binder with degradation catalyst prevents green body fracture during degreasing, ensuring dimensional precision.

Removable cartridges with gas-permeable walls and flexible sealing elements resolve catalyst leakage and maintenance accessibility issues.

Replacing expensive sodium with aluminum mediators and catalysts to lower costs and simplify handling during metal hydride synthesis.

Ion exchange resins extract leached noble metals from aqueous streams to prevent catalyst loss during glycine production.

A hot high-pressure separator recycles active slurry catalyst compositions in heavy oil upgrading processes.

A catalyst block design segments the honeycomb core from the outer frame to prevent thermal deformation during high-temperature baking.

Selective flocculation and ozonation refine hydrous kaolin clay, reducing alkali content to prevent microcracking in cordierite ceramics.