Molecular Sieve Catalyst TRIZ Cases

Transition metal catalysts convert acetone into C9 alcohols, reducing reliance on petroleum feedstocks.

Two-stage hydrogenation of pyrene over a Pt-Pd/Y-zeolite catalyst achieves high purity and yield, resolving low extraction efficiency from coal tar.

Ga-Zn-Al mixed oxide catalysts convert acyclic hydrocarbons to cyclic products while minimizing light byproduct formation and catalyst deactivation.

Treating gallium-loaded zeolite with hydrochloric acid improves BTX yields from light hydrocarbons by enhancing catalyst stability.

A composite catalyst mixture of mesoporous zeolite Beta and ZSM-5 produces benzene, toluene, and xylene from C9+ alkylaromatics.

A turbulent fluidized bed reactor coordinates methanol-to-olefins and alkylation reactions through segmented feed distributors.

A composite oxide catalyst uses an AlPO4 binder to enhance mechanical strength and catalytic activity.

Bimetal-incorporated mesoporous silicate catalysts convert ethanol to dehydration products, resisting rapid deactivation from coke fouling.

Silicon-aluminum mixed oxide catalysts enable efficient isoolefin production via alkyl tert-alkyl ether cleavage.

Alkaline earth metal ion-exchanged zeolitic framework materials catalyze olefin oligomerization to diesel boiling range compounds.

Metal phosphide zeolite catalysts convert light alkanes to aromatics while suppressing methane and extending stability.

In situ oxygen regeneration restores oligomerization catalyst activity, managing exothermic heat to sustain continuous distillate fuel production.

Varying educt mixture distribution across fixed-bed reactor zones extends reaction cycles, reducing regeneration frequency and maintaining propylene yields.

A composite catalyst mixture of MEL, MFI, and MOR zeolites with silica binder and metal components drives aromatic conversion reactions.

Transalkylation catalysts remove non-aromatics from toluene, preventing buildup that reduces methylation throughput and increases operating costs.

Auxiliary catalysts reduce deactivation in methylation systems, lowering energy consumption and extending catalyst life.

Selective hydrogenolysis converts n-butane to light hydrocarbons while preserving i-butane, eliminating energy-intensive isomerization steps.

Coherently grown TUN and IMF zeotypes in UZM-39 resist coking and thermal degradation, extending catalyst life during aromatic production.

Synthesizes SSZ-90 molecular sieve using ionic liquid as solvent and structure directing agent, enabling reliable DFO framework formation.

Phosphorus pentasil zeolite converts alkylated aromatics to benzene-enriched streams, resolving low yields from unutilized impurities.

Hierarchical pore structures in spherical zeolite-alumina catalysts boost C3-C6 olefin selectivity while suppressing aromatic by-products.

Zeolite catalysts produce lightly branched C10-C13 olefins, resolving selectivity stability trade-offs in surfactant precursor synthesis.

Incorporating C5 olefins into the feed stream reduces heavier oligomer formation, boosting gasoline yield and octane while minimizing distillate.

Contacting zeolites with amine solutions reduces surface silicon to improve light olefin selectivity without damaging crystallinity.

A two-step hydrogenation and condensation process converts carboxylic acids into aromatic hydrocarbons.

Colloidal silica matrix minimizes void content to reduce attrition and maintain stable fluidized state.

Extracting aromatics from the C5+ fraction prevents methanol consumption, boosting propylene yield while recovering valuable byproducts.

Segmented catalyst composition enables selective ring opening of poly-aromatics in light cycle oil using ultra-stable Y zeolite and dispersed WS2 slabs.

PDADMA template directs zeolite beta crystallization, simplifying synthesis while maintaining catalytic activity.

Encapsulated platinum carbide nanoclusters on zeolites minimize green oil production and extend catalyst lifetime during ethane aromatization.

UZM-5 and UZM-6 zeolites resolve activity-selectivity trade-offs in cumene production by optimizing micropore volume to 0.10-0.18 cc/g.

A cyclopentadiene production process uses a C1-C4 hydrocarbon co-feedstock to increase reactor outlet pressure above atmospheric levels.

A hydrogenation treatment converts polyalkylated aromatic compounds to monoalkylated products before transalkylation.

A two-reactor process converts methanol to aldehydes using sequential catalysis and hydroformylation.

Passivation treatment prevents rapid catalyst deactivation in high-temperature methylation reactions, extending catalyst life and reducing production costs.

Coherently grown UZM-39 composite zeolites convert methane to aromatics while resisting deactivation from coking.

Segmented catalyst zones minimize alkyl group isomerization during benzene alkylation, boosting product quality and reaction efficiency.

Removing hydrogen and light paraffins from the recycle stream increases aromatics content and gasoline yield without the typical trade-off.

Transforms renewable feedstocks into linear mono-methyl paraffins using catalytic isomerization to replace fossil-based surfactant production.

Water co-feeding prevents coke deposition on the second molecular sieve catalyst, extending cycle length and reducing regeneration frequency.

Ammonia-modified SAPO-34 catalysts convert methanol feedstocks to olefins with enhanced ethylene production.

A phenol production process recycles purified cumene to maintain catalyst activity.

Dehydrogenation of methyl-substituted cyclohexylbenzene using a Group 10 metal catalyst reduces volatility, producing stable plasticizers.

A composite zeolite catalyst mixture converts heavy aromatics to xylenes using specific molecular sieve ratios.

Splitting olefin feeds across two stages maintains optimal ratios to minimize heavy component formation while reducing benzene content.

Segmented zeolite catalyst with optimized pore diameter and metal loading resolves selectivity trade-offs to maximize BTX yield from dicyclopentadiene.

Direct catalytic conversion of unpurified natural gas eliminates remote flaring hazards while generating on-site electricity.