Physical/Chemical Process Catalysts TRIZ Cases

Polygonal substrate housings replace cylindrical designs to increase cross-sectional area utilization and ensure even interface pressure via compressible mats.

A self-cleaning film system deposits photocatalytic material onto fluorinated projections to oxidize organic contaminants.

A fluid mixing apparatus uses pressure loss increasing devices in distribution channels to ensure uniform flow across multiple parallel paths.

Strategic placement of composite bonding layers mitigates thermal stress and prevents crack generation in diesel particulate filters.

Large pores in the filling material lower rigidity, preventing cracking from thermal shock and maintaining exhaust gas purification reliability.

A photocatalytic device uses hydrated quad-metallic catalyst substrates and curved reflectors to distribute ultraviolet light across the reaction surface.

Extrusion through a perforated belt forms porous catalytic carrier filaments that balance high geometric surface area against fluid flow resistance.

Segmented metal wires retain position within honeycomb ceramic cells, preventing dislodgement during rapid thermal expansion.

Local reinforcement at separator intersections resolves the strength-weight trade-off, suppressing weight increase and minimizing pressure loss.

Nitrogen dioxide stabilizes ozone concentration in high purity oxygen by acting as an intermediary catalyst that reduces harmful NOx by-products.

A reactive adsorbent with an Fe-S-P shell extends the active lifetime of zero-valent iron while maintaining high dechlorination activity.

Boundary cells with 0.5 mm inscribed diameter reinforce honeycomb structure walls, preventing catalyst clogging and pressure loss at density interfaces.

A particulate ZrO2·Mg6MnO8 nanocomposite forms via a simplified Pechini sol-gel process using chelating agents and polyols to create a stable gel precursor.

A silicon carbide ceramic composition stabilizes resistivity changes across temperature ranges to enable efficient heat generation.

Amorphous zirconium hydroxide precipitation yields high surface area and large pore volume for catalytic applications.

Overlapping vanes cascade solid catalyst while gas flows counter-currently, eliminating screen corrosion and plugging issues.

Ultrasonic cavitation cleans fouled electrode surfaces, resolving the trade-off between continuous measurement productivity and detection reliability.

Alkaline mineral ion water reacts with high-temperature burned carbonaceous substances to produce hydrogen gas without generating carbon dioxide impurities.

Dilute acid carbonylation of tricyclo[5.2.1.02,6]deca-3-ene reduces strong acid consumption while maintaining high yield.

Elevated pressure during initial heating minimizes reactant vaporization, reducing batch cycle time and improving conversion rates.

Molybdenum disulfide foam creates interconnected cavities to expand reactive surface area.

Stable cations mediate alkane sulfonic acid synthesis, reducing side products and enabling impure raw materials.

Gas-liquid separators divide mixed hydrocarbons into distinct streams, reducing pressure loss and stabilizing flow volume in Fischer-Tropsch synthesis.

Mixed liquid extraction removes stannous chloride residues during aromatic amine production, resolving purity versus process complexity trade-offs.

Angular dispersion couples broadband solar energy into SPR modes, resolving limited UV absorption in bulk TiO2 photocatalysts.

A honeycomb structure uses a boundary wall to separate cell structures and thick intersection parts to enhance mechanical strength.

Roasting polyester polyol yields porous oxides with uniform and adjustable pore sizes, overcoming sol-gel template control difficulties.

Hydrothermal synthesis creates TiO2 nanoparticle composites that degrade emerging contaminants in water while enabling efficient solar hydrogen production.

A heat exchange reactor uses independent heaters in the most upstream region to maintain prescribed reaction temperatures.

Y-shaped units with uniform cell walls reinforce the outer peripheral area, preventing breakage during canning while minimizing pressure loss.

Intersecting first and second slits in the honeycomb structure stabilize electrical resistance, preventing overheating from base material variations.

A hydrolysis catalyst coating decomposes urea deposits within selective catalytic reduction reactors to prevent corrosion and erosion.

A room-temperature shaping method for asphalt-based spherical activated carbon using binders and carbon powder to form stable particles.

Composite adsorbent removes sulfur from cracking gasoline and diesel fuel through selective physical adsorption.

Layered clay mineral and inorganic binder formulation reduces CO2 emissions and crack defects during cordierite honeycomb structure firing.

A gas flow rate adjustment apparatus controls oxygen and nitrogen mixing for ozone generation.

Solvent deasphalting dearomatization process using untreated naphtha to separate asphaltenes from heavy oil feedstocks.

A PSPC/PVA/TiO2 film changes color in response to pH shifts.

Converting agricultural cellulose into uniform graphene sheets via catalytic deoxidation overcomes the high cost and pollution of traditional synthesis methods.

Titanium dioxide photocatalysts and metal scavengers remove color and toxic catalysts from polymer solutions, ensuring pharmaceutical biocompatibility.

Antimony halide catalysts enable continuous fluorobenzene synthesis using hydrogen fluoride, eliminating toxic waste from traditional Balz-Schiemann methods.

Polyphosphate ligands stabilize ferric iron against hydroxyl radical degradation, enabling efficient sulfur recovery at circumneutral pH.

Photopolymerized silazane thin films convert to robust ceramic membranes through controlled pyrolysis, resolving fabrication defects at high temperatures.

Sequential UVC and UVA radiation disinfects the cabin filter, preventing microbial growth and smell breakthrough while extending filter lifespan.

Titanium dioxide and zirconium dioxide catalysts convert sulfide byproducts into mercaptans, eliminating separation steps.