Physical/Chemical Process Catalysts TRIZ Cases

A wall-flow honeycomb filter uses an asymmetric inlet-to-outlet cell area ratio to manage exhaust flow distribution.

Ternary nitride compounds react with corrosive species like H3O and HF to neutralize them, preventing substrate degradation in acidic environments.

Non-spherical porous elements reduce pressure drops by 50% while supporting deeper catalyst beds for higher conversion rates.

Zirconia or titania catalysts convert cis isomers to trans cyclohexane dicarboxylic acid at moderate temperatures, avoiding hard product handling issues.

Chemical oxidation introduces functional groups while freeze-drying expands the film into a porous sponge, boosting adsorption capacity beyond 200 m2/g.

Phosphoric acid catalyzes amidation between taurine and fatty acids, achieving high conversion rates while preventing undesirable browning.

Low-temperature deposition of nanostructured ceramic coatings onto plastic substrates using solution-based techniques.

Branched alkyl aromatic aldehyde prevents carbamate salt formation from carbon dioxide absorption, improving epoxy coating water resistance.

Selective isomerization of trans-1,3,3,3-tetrafluoropropene via optimized catalyst conditions suppresses 1,1,1,3,3-pentafluoropropane byproduct formation.

A honeycomb filter design uses distinct plugging lengths to enhance structural integrity and exhaust purification performance.

Integrates tail gas treatment with the Claus furnace by recycling sulfuric acid, achieving high H2S removal efficiency without adding separate complex units.

A catalyst support uses overlapping hole rows to provide uniform strength across the carrier structure.

Segmented inside and outside downcomers with independent caps prevent clogging at high liquid levels, ensuring continuous gas flow.

Dual ultrasonic generators supply vibration directly to a tensioned wire, preventing deformation of soft honeycomb mold bodies during cutting.

Doping nitrogen into conductive carbon supports improves electrochemical resistance, preventing degradation from corrosion in fuel cell catalysts.

Stable inorganic peroxoacids catalyze alkane and sulfur trioxide reactions, eliminating harsh conditions that cause side products.

A turbidimeter measures reactor feed stream turbidity to determine solid catalyst concentration in polymer production systems.

Intersecting band electrodes suppress thermal stress and cracking during rapid temperature changes while maintaining reliable operation.

A rotary wheel circulates catalyst and waste plastic within a spherical vessel to enhance decomposition efficiency.