Molecular Sieve Catalyst TRIZ Cases
- Monoalkyl Aromatic Production via Inter-Zone Cooling
Inter-zone cooling manages exothermic heat in alkylation reactors, reducing di-isopropylbenzene byproduct formation and improving selectivity.
- Steamed Zeolite Catalyst for Olefin Conversion
Steamed zeolite catalysts with optimized Si/Al ratios convert alkyl halides to C3-C6 olefins while suppressing ethylene and aromatic by-products.
- Cyclohexylbenzene Production via Hydroalkylation and Dehydrogenation
Dehydrogenating cyclohexane recycles benzene to improve selectivity while extending catalyst life.
- Zeolite Beta and Mordenite Guard Bed for Alkylation Poison Removal
Co-crystallized zeolite beta and mordenite in a guard bed adsorb nitrogen, halogens, and metals from feed streams, extending alkylation catalyst cycle length.
- MTO Absorber Demethanizer N2O3 Prevention
Non-cryogenic extractive distillation prevents hazardous N2O3 formation while recovering ethylene from MTO reactor effluent.
- Transalkylation Reactor Guard Bed for Alkylaromatic Production
A transalkylation reactor acts as a reactive guard bed to remove feed impurities from benzene streams.
- Catalyst Composition for Reductive Amination Selectivity
Mixed metal oxide support with cobalt and ruthenium promotes reductive amination of diethanolamine, reducing non-piperazine byproduct formation.
- Heterogeneous Catalysts for Oxidative Coupling of Methane
Lanthanide metal oxide catalysts resolve the trade-off between methane conversion and selectivity by operating at lower temperatures.
- Catalytic Fast Pyrolysis Fuel Blendstocks
Hydrotreatment removes sulfur and oxygen from the biofuel to resolve pipeline transport reliability issues caused by ethanol hygroscopicity.
- Reactor Cooling via Atomized DME Spray for Olefin Production
Atomizer sprays liquid phase between catalyst trays to manage reaction heat in vertical reactor stages.
- Core-Shell Pt3d@Pt Catalyst for Propane Dehydrogenation
A core-shell Pt3d@Pt catalyst downshifts the d-band center of surface platinum atoms to weaken propylene adsorption.
- Alkylaromatic Recycle Stream Exotherm Management
Recycle stream manages exotherm in alkylaromatic alkylation to maintain benzene:olefin ratio and reduce energy consumption.
- Nickel Single Atom Catalyst for Olefin Oligomerization
A nickel-based catalyst uses single atoms on mesoporous silicate to enhance oligomerization activity.
- Catalytic Distillation for Benzene Removal from Gasoline
A catalytic distillation column converts benzene to alkylate using an alkylation catalyst in the reaction zone.
- Methanol-to-Olefin Process with Naphthene Recirculation
Hydroprocessing aromatics to naphthenes prevents alkylation and boosts propylene yield.
- Fluidized Catalytic Reactor Startup Using Coked Catalyst Combustion
Burning coked catalyst in the regenerator eliminates diesel oil consumption and carbon black pollution during startup.
- Toluene Methylation Transalkylation Reducing C9+ Byproducts
A toluene methylation process converts heavy aromatics into mixed xylene using shape selective catalysis.
- Spherical Zeolite Catalyst for Methanol Conversion
Pentasil-type aluminosilicate spheres resist rapid deactivation, extending operational life in methanol-to-olefin processes.
- Staged Naphtha Conversion Reactors for Ethane Propane Yield
Segmented reactors lower methane yield and aromatics selectivity while raising the ethane to propane ratio during conversion.
- Dealuminated BEA Zeolite Thermal Stability
Ammonia pre-treatment prevents framework collapse during high-temperature calcination, sustaining catalytic activity.
- Platinum Zeolite Catalyst for Alkane Aromatization
Alumina intermediaries protect platinum from binder sintering, resolving selectivity trade-offs in light alkane dehydroaromatization.