Catalyst Activation/Preparation TRIZ Cases

A TiO2 photocatalyst anchors single metal atoms via engineered defects to boost photoefficiency.

A ternary catalyst combining gold, copper, and indium modifies the electrode surface to drive carbon dioxide reduction.

A catalyst with ordered nanoparticles cleaves polymer chains to produce heavier hydrocarbon products.

Silica-supported TiO2 quantum dots enable photocatalytic decomposition of organic hazardous substances under visible light.

A fluid bed reactor produces nanocarbon materials by supplying a controlled amount of moisture to the source gas.

Activated carbon exotemplates enable high surface area mixed metal oxides, resolving mechanical stability trade-offs in catalytic applications.

Ester additives increase cobalt dispersion on mixed oxide supports, resolving insufficient activity and selectivity in Fischer-Tropsch catalysts.

Controlled phase distribution in iron catalysts increases C5+ selectivity while suppressing CO2 and methane byproduct formation.

Porous metal or ceramic foam structure improves heat removal efficiency while maintaining low pressure drop across the reactor bed.

Electrospun inorganic nanofibers generate photocurrent under visible light, resolving adhesive decomposition and UV safety issues.

Platinum single atoms anchor in heat-treated molybdenum nitride holes, preventing agglomeration and sustaining high catalytic activity.

A solid organomagnesium precursor enables single-step synthesis of highly active Ziegler-Natta catalyst systems.

A stacked plate reactor-exchanger module uses reactant channels with increasing geometric cross-sections to manage thermal gradients.

Direct conversion of carbon dioxide to olefins bypasses the carbon monoxide intermediate step, achieving 50 to 80 percent conversion rates.

Polyethylene glycol additives prevent precipitate formation in group vi metal and phosphorus catalyst solutions for hydrotreating.

A mixed solvent of aqueous ammonia and a polyamine complexing agent dissolves cobalt and molybdenum salts for uniform catalyst impregnation.

Impregnating cellulose with metal compounds and pyrolyzing in inert atmospheres resolves surface area versus mechanical strength contradictions.

High connectivity alumina resolves porosity limits in hydrotreatment, improving deazotization and desulfurization.

Reducing agent treatment increases oxygen vacancy density in nickel-iron composite coatings, lowering overpotential for efficient hydrogen production.

Composite photocatalysts combine ceramic nanoparticles with insulated magnetic aggregates to enable rapid recovery from treated water.

Segmented deoxygenation with Group VI catalysts prevents poisoning and stabilizes reactor temperature during biofeed coprocessing.

A photocatalyst coating layer combines tungsten oxide particles with copper gluconate to deliver continuous antibacterial performance.

Au/Li-Al LDH catalyst oxidizes benzylic alcohols to overcome lignin resistance, yielding aromatic monomers.

A hydrotreating catalyst preparation method uses controlled calcination to partially oxidize organic acids on the support surface.

Surface-modified alumina support enables deep desulfurization of refractory sulfur compounds below 10 ppm while maintaining catalyst stability.

Amorphous silica-alumina catalyst synthesis uses oxidizing agents and structure-directing agents to resolve low surface area and pore volume in hydrocracking.

A copper-nickel catalyst enables selective hydrogenation of polyunsaturated hydrocarbons into alkenes.

Replacing noble metals with chromium oxide and adding alkali earth oxides reduces acid site side reactions to improve propane conversion stability.

Composite hafnia carriers resist corrosive intermediates from advanced monopropellants, extending operational time by hundreds of minutes.

Fluidized bed granulation of 1-15 μm inorganic particles yields spherical granules with less than 5% attrition, resolving surface roughness trade-offs.

Aqueous titanium and carboxylic acid treatments modify catalyst supports, reducing deactivation rates while eliminating non-aqueous solvent waste.

A ceramic catalyst carrier uses a dispersed alumina phase to control metal loading within the matrix.

A bifunctional noble metal phosphide catalyst converts bio-oil oxygenates into hydrocarbons via synergistic acidic and metallic active sites.

Sequential precipitation reduces inactive alpha-Fe2O3 phase, boosting butadiene yield.

Manufacturing solid catalyst components for olefin polymerization by contacting magnesium with styrene-based compounds improves stereospecificity and activity.

Segmented reduction with dynamic heating rates resolves the trade-off between hydrocarbon synthesis activity and activation complexity.

Controlled precipitation creates a TiO2-Al2O3 solid solution, eliminating expensive organic compounds while ensuring optimal acidity and pore structure.

Catalyst particles with surface area below 20 m²/g incorporate high comonomer content while preventing polymer stickiness and reactor fouling.

Nickel overlaid catalyst removes arsenic from hydrocarbon feedstocks while maintaining hydrodesulfurization activity.

Reducing conical depression overlap below 17% preserves grid structural integrity while maintaining effective catalyst fluidization.

A chloride-promoted isomerization catalyst activates using a recovered HCl and hydrogen stream from stabilizer overhead vapor.

Passivation gas alters surface energy during atomic layer deposition, overcoming nucleation tendencies that cause high surface roughness.

A catalyst preparation method maintains iron and zinc ions in the slurry to promote a high spinel phase structure.

A promoted metal catalyst formation method uses surface free energy differences to drive preferential promoter deposition on supported catalyst metals.

Thermal treatment converts adventitious water into steam reactant, enabling effective titania deposition without drying steps.

A bimodal pore catalyst removes sulfur from olefin feedstocks while preserving olefin content.

Dissolving magnesium halide in alkylepoxide mixtures to form spherical catalyst components, preventing fouling and sheeting during polyolefin production.

Stepwise solidus synthesis creates micro-mesoporous calcium aluminate catalysts with large specific surface area and high strength.