Molecular Sieve Catalysts TRIZ Cases
- Zeolite Oligomerization of C4 Olefins for Jet Fuel
Oligomerizing C4 olefins with a zeolite catalyst yields jet-range hydrocarbons with smooth boiling distributions.
- Phosphorus-Modified Zeolite Catalyst Pretreatment for Toluene Methylation
Oxygen pretreatment of phosphorus-modified zeolite catalysts delays deactivation from carbonaceous deposits, maintaining high p-xylene selectivity.
- Ketone to Olefin Conversion via Dual-Function Catalysis
Dual-function catalysts convert ketones to olefins in one step, avoiding side reactions that lower propylene selectivity.
- Zeolite Catalyst Oligomerization of Dilute Ethylene
A sulfur-tolerant zeolite catalyst oligomerizes impure ethylene from FCC off-gas, eliminating costly purification steps.
- SSZ-63 Molecular Sieve Synthesis Using Di(cyclopentylmethyl)dimethylammonium
Di(cyclopentylmethyl)dimethylammonium cations direct SSZ-63 molecular sieve crystallization.
- Jet Fuel Composition Thermal Stability via Aromatic Control
Jet fuel composition with controlled aromatic content prevents deposit formation in turbine engines during high-temperature operation.
- Aerosol Synthesis of Spherical Zeolite-Silica Catalysts
Aerosol synthesis creates spherical zeolite-silica particles that trap metallic species, preventing refractory phase formation during sulfurization.
- Multi-Stage Fluidized Bed Reactor for MTO Light Olefin Selectivity
Segmenting the reactor into multiple secondary zones manages uneven carbon deposition, resolving low selectivity in methanol-to-olefins processes.
- Fluidized Bed Reactor for Methanol Dehydration to Dimethyl Ether
A fluidized bed reactor process converts methanol into dimethyl ether using integrated heat exchange and catalyst regeneration.
- Dicarboxylic Acid Synthesis via Cyclic Olefin Addition
Solid acid catalysts enable high single-pass conversion of cyclic olefins to esters, overcoming low yield and complex separation issues in traditional routes.
- Manganese Carbonate FT Catalyst Zeolite Composite for High-Octane Gasoline
Composite manganese carbonate Fischer-Tropsch catalyst and zeolite solid acid produce high-octane gasoline fractions from syngas.
- Acid-Treated MWW Zeolite Plasticity Reduction
Acid treatment lowers plasticity of titanium-containing MWW zeolite, enabling extrusion shaping while preserving catalytic activity.
- Reduced Template Zeolite Beta Catalyst Etherification Selectivity
A reduced template zeolite beta catalyst contacts olefins and alcohols to produce monoalkyl ethers with high purity.
- Mesoporous Catalyst Pore Diameter for Lube Oil Aromatics Saturation
A hydrogenation catalyst with 15 to 40 angstrom pores saturates aromatics in lubricating oil feedstreams.
- Solid Catalyst Processing of Polyolefins at Low Temperatures
Mechanical agitation contacts solid polyolefins with a solid catalyst below 100°C, reducing energy consumption compared to high-temperature pyrolysis.
- Alkylated Naphthalene Blendstock Production via Solid Acid Catalyst
Replacing corrosive triflic acid with a solid acid catalyst reduces capital investment for equipment metallurgy while maintaining product quality.
- Catalyst Preparation Using Dialkyl Succinate Impregnation
Impregnating catalytic precursors with dialkyl succinates and carboxylic acids to maintain Keggin heteropolyanions without calcination.
- Copper Sulfate Zeolite Catalyst for Glycerin Dehydration
A composite catalyst of copper sulfate and zeolite converts glycerin to acrolein with high selectivity.
- Aromatization Catalyst Regeneration via Sequential Chlorination and Decoking
Segmented chlorination, purging, and decoking steps restore spent aromatization catalyst activity while reducing corrosivity in metal reactors.
- Mesoporous Alumina Synthesis via Silicoalumina Composite
Silicoalumina composites resolve the contradiction between thermal stability and catalytic performance by increasing mesoporous volume.
- Hydroprocessing Catalyst Preparation pH Control
Adjusting impregnation solution pH to 1-5.5 stabilizes metal deposition during hydroprocessing catalyst manufacturing.
- Annular Catalyst Carrier for Tubular Reactor Heat Transfer
Segmented perforated catalyst carriers enable larger tube diameters while maintaining precise temperature control in exothermic reactions.
- Porous Carbon Catalyst for Cellulose Hydrolysis
A porous carbon catalyst with phenolic hydroxyl groups converts cellulose into glucose.
- Organic-Free Metal Zeolite Beta for NOx Reduction
Synthesizing organic-free metal-containing zeolite Beta eliminates costly structure directing agents while maintaining high NOx conversion rates.
- Selective Ring-Opening Catalyst for High Viscosity Index Lube Base Oils
A solid acid and metal catalyst converts naphthenic compounds into branched paraffins to boost lubricant viscosity index.
- Amine Functionalized Zeolites for Catalytic Grafting
Amine functionalized zeolites introduce primary amine functionalities and silazane groups to the microporous framework.
- β-Type Iron Silicate Catalyst Synthesis via Fluorine Parameter Control
Hydrothermal synthesis of β-type iron silicate uses controlled fluorine to resolve the contradiction between high metal dispersion and prolonged synthesis time.
- Cyclic Carbonate Synthesis via Acid-Functionalized Silica Gel
Acid-functionalized silica gel catalyzes polyol transesterification to produce cyclic carbonates, eliminating toxic phosgene and costly enzyme requirements.
- Alkali-Exchanged Zeolite Catalyst for Acetic Acid Production
Alkali-exchanged zeolite catalysts resist deactivation from acetone impurities, extending effective life during acetic acid production.
- Zoned Ammonia Slip Catalyst for Combustion Turbines
Single-substrate zoned catalyst merges oxidation and SCR functions to boost CO conversion while lowering pressure drop in gas turbines.
- Selective Hydrogen Removal Using Zeolite Catalyst
Zeolite catalysts selectively combust hydrogen into water, preventing organic compounds from oxidizing into carbon dioxide.
- Zeolite Catalyst Porosity via Binder Mediator
Binder mediates zeolite dispersion to maintain high porosity, reducing diffusion resistance during aromatic alkylation.
- Catalyst for HCl Oxidation and Chlorobenzene Incineration
Bifunctional catalyst oxidizes hydrogen chloride to chlorine gas while incinerating chlorobenzene impurities, preventing polychlorinated benzene accumulation.
- Bifunctional Catalyst for Hydrocracking Lube Base Stocks
A bifunctional catalyst performs simultaneous hydrocracking and hydroisomerization to produce high-quality lube base stocks.