Hydrocarbon By Isomerisation TRIZ Cases

Direct epoxide esterification synthesizes diester lubricants from renewable precursors, bypassing complex multi-step isolation to reduce production costs.

Organic ammonium-exchanged MFI zeolites cut xylene losses below 0.2 percent during C8 aromatic isomerization.

Integrating pressure swing adsorption with crystallization lowers variable costs while maintaining existing equipment during paraxylene production.

Base leaching with pore directing agents creates hierarchical beta zeolites, preserving crystallinity while enhancing catalytic diffusion.

Dealkylation reactor converts C9+ aromatics to C6-C8 hydrocarbons, preventing catalyst deactivation in the transalkylation reactor.

Optimizing pore size distribution and alkali metal content in MTW zeolite catalysts minimizes C8 ring loss while maintaining high para-xylene yield.

A tandem catalyst system converts isobutylene to C5+ olefins via skeletal isomerization and metathesis reactions.

Segmenting C7 processing into two zones reduces large recycle streams, lowering operating costs while boosting high-octane gasoline production.

Optimizing water content in the feed suppresses catalyst coking and improves stability while maintaining ethylbenzene conversion rates.

Silicoaluminophosphate molecular sieves synthesized in an aqueous phase using colloidal silica and pseudoboehmite.

Dual-zone reactors convert methanol to propylene and alkylate hydrocarbons into aromatics, resolving yield-selectivity trade-offs in MTO processes.

Stripping zone separates C4 hydrocarbons from recycled C5 streams, reducing capital costs and utility usage while enhancing normal pentane conversion.

Isomerizing straight-chain hydrocarbons enables catalytic cracking at reduced temperatures, lowering energy consumption and minimizing catalyst deactivation.

Isomerizing hydrogenated cedarwood oil produces alkyl adamantanes that raise volumetric net heats of combustion above conventional jet and diesel fuels.

Integrating toluene methylation into aromatics complexes eliminates benzene byproduct formation while increasing paraxylene yield.

Sulfidation, oxidation, and reduction steps stabilize the catalyst structure to minimize aromatic loss while maintaining high hydrogenation activity.

Sulfided metal catalyst converts durene and pseudocumene to isodurene, prehnitene, and mesitylene, lowering freezing points while maintaining octane ratings.

A C5 splitter column separates isopentanes from normal pentanes in hydrocarbon streams.

Shared distillation separates n-butane fractions between ionic liquid alkylation and isomerization reactors, eliminating extensive feed drying requirements.

Specific zeolite catalysts maintain optimal bi-alkylated to tri-alkylated conversion ratios below 300°C, overcoming low tri-alkylated conversion limits.

Calcined red mud catalyzes olefin isomerization, replacing costly ethylene dimerization with a low-cost waste material.

Acid catalysts convert vinylidenes into linear internal olefins, eliminating branched alkane formation during hydrogenation.

A bifunctional catalyst combining Nu-10 and ZSM-48 zeolites promotes selective hydroisomerization of paraffinic feedstocks.

Selective adsorption recovers high-purity toluene without dedicated solvent extraction, eliminating complex olefin removal steps.

A direct reaction method converts dicyclopentadiene into cyclopentadiene using an aprotic solvent to synthesize metal cyclopentadienide.

Optimized IZM-2 zeolite catalyst balances acid site density and strength to reduce net losses during aromatic C8 isomerization.

Thiourea mediates lycopene isomerization, eliminating halohydrocarbon solvent toxicity while maintaining high all-E purity.

HF and BF3 catalysts enable skeletal isomerization of perhydroacenaphthene into 1,3-dimethyladamantane.

Optimizing hydrotreatment parameters reduces hydrogen consumption and carbon oxide generation while producing high-purity bio-propane.

Hydrocarbon recycle boosts hydrogen solubility, lowering operating pressure and preventing catalyst deactivation during renewable fuel production.

Hexacoordinated aluminum modification in EU-1 zeolite resolves low ethylbenzene conversion while maintaining xylene selectivity.

Integrates fluid catalytic cracking dry gas with an aromatic complex to reduce benzene yield and increase para-xylene production.

Dual binder system resolves crush strength trade-offs by combining large crystallite structural support with small crystallite active site access.

A dividing wall distillation column separates benzene and ethylbenzene streams within a single vessel structure.

Neutral pH impregnation deposits platinum onto a ZSM-12 carrier, reducing sulfur content and side-products during alkylaromatics isomerisation.

Segmented distillation and dual-phase isomerization reduce column complexity while increasing para-xylene production capacity by 30%.

Silica-coated ZSM-5 molecular sieve neutralizes external acid sites, preventing isomerization and maintaining high p-xylene yield.

Catalytic conversion of renewable sesquiterpenes yields dense diamondoid fuels that exceed petroleum energy density while maintaining low viscosity.

Metathesis cyclization of linear sesquiterpenes increases fuel density and net heat of combustion to overcome low volumetric energy limits.

A silicon-aluminium mixed oxide catalyst system converts internal olefin double bonds to terminal positions using specific metal dopants.

CIT-13 germanosilicate zeolite uses OSDA templating to create extra-large pores, solving the bottleneck of processing bulky feedstocks in oil upgrading.

Transalkylation converts dialkylbenzene byproducts into monoalkylbenzenes, reducing heat duty in the alkylbenzene refining system.

Converting biomass to para-xylene via Diels-Alder cycloaddition eliminates complex petrochemical separation steps.

Shifts double bonds in C18+ alpha-olefins using weak acid catalysts to produce lube base oil with improved viscosity index without purification.

Using phosphotungstic acid and light to migrate double bonds at lower temperatures, avoiding the high energy costs of conventional thermal isomerization.

A dividing wall distillation column integrates benzene and ethylbenzene fractionation zones within a single vessel to optimize product recovery.

Removing the toluene column reduces energy consumption by 22% while maintaining aromatic separation efficiency.