Controlled carbon deposition on a FER zeolite catalyst modifies pore acidity to boost linear alkene selectivity beyond thermodynamic limits.
Merging separate reaction steps into one process using modified zeolites eliminates secondary reactions, boosting selectivity for renewable butene production.
IZM-2 zeolite catalyst overcomes stability and acidity limits to transform hydrocarbon feeds.
Mordenite and ZSM-5 zeolite catalysts enable selective transalkylation, resolving benzene co-boiler separation bottlenecks.
Catalytic conversion of non-aromatic hydrocarbons improves para-xylene yield while minimizing ethylbenzene byproducts and reducing separation equipment size.
Liquid phase isomerization converts 1-butene to 2-butene, boosting propylene yield while cutting energy use by 10%.
Optimizing the P/Al ratio in crystalline aluminosilicate enhances hydrothermal stability and prevents carbonaceous precipitation during catalytic cracking.
Post-framework modified *BEA zeolite catalyst substitutes framework aluminum with zirconium, hafnium, or titanium atoms.
Segmented boiling point fractions undergo selective reforming and transalkylation to produce high-purity xylenes while maintaining yield from light cycle oil.
Isomerize C10+ precursors from pyrolysis gasoline to reduce costs of pure chemical synthesis.
A hydrotreatment catalyst increases hydrocarbon chain length through ketonization reactions.
Removing C6 cyclic hydrocarbons and maintaining a low hydrogen ratio increases normal paraffin yield while reducing methane formation.
Catalytic demethylation of neohexane or neoheptane produces neopentane with yields exceeding 40 wt% under mild reaction conditions.
A catalyst comprising an STI-type zeolite and Group VIII metal converts light paraffins into higher octane isomers.
Reduces crystallization time below 100 hours by applying supercritical temperature and pressure parameters.
Pseudo-fixed bed ionic liquid reactor enables exo-THDCPD isomerization via droplet flow, resolving catalyst recovery and corrosion issues.
Molecular sieve separation and 1-butene isomerization convert underutilized MTBE raffinate into high-value propylene.
Surface-deposited tungsten on porous alumina silica supports overcomes metal oxide binding issues to boost propene yields at low temperatures.
Zeolite catalyst impregnated with metal salts controls acid sites to optimize xylene isomerization reactions.
Reversing the dispersion direction of ionic liquids and hydrocarbons facilitates quicker phase separation after reaction.
A perfluorosulfonated ionomer membrane separates water from off-gas streams in hydrocarbon isomerization reactors.
A dealuminated EUO zeolite catalyst enhances xylenes production through selective isomerization.
Soybean oil extractive distillation separates unreacted n-butane from C4 olefins, lowering energy consumption and eliminating toxic solvents.
A dividing wall distillation column separates C6+ aromatic hydrocarbon feed into distinct C7, C8, and C9 fractions.
Shell and tube reactor manages exothermic reaction heat during C6-C8 alkane demethylation to produce neopentane.
Segmented catalyst stages convert biomass lactones into aromatic hydrocarbons through decarboxylation, dimerization, and aromatization reactions.
Process eliminates stabilization zones and re-compression steps to reduce energy consumption in aromatics complexes.
A higher-pressure column overhead heats a lower-pressure reboiler, reducing energy consumption and carbon emissions in aromatics complexes.
Ortho-selective adsorbent enriches xylenes to minimize vapor phase isomerization energy consumption.
Composite catalyst structure combining zeolitic support with metal-boron components suppresses cracking reactions to maintain high conversion rates.
Dual organic templates reduce ZSM-22 crystallization time and crystal size, enabling efficient hydroisomerization catalysts.
Solid acid catalysts convert unreactive internal olefins into terminal forms, eliminating corrosive homogeneous systems and costly removal steps.
Fractional crystallization separates para-xylene from C8 aromatics, bypassing energy-intensive distillation to boost recovery efficiency.
Segmented block structures enable tunable pore sizes and shapes, resolving the trade-off between material complexity and separation selectivity.
Flow disproportionation converts renewable cymene into benzene, toluene, and xylenes, replacing fossil fuel dependence.
Solvent extractive distillation recycles C8 naphthenes to prevent desorbent accumulation and improve para-xylene purity.
Segmenting fluid catalytic cracked oil fractions enables simultaneous production of low-sulfur gas oil and aromatics while reducing hydrogen consumption.
Removing binders eliminates pore blockage and undesirable side reactions, allowing rapid mass transfer while maintaining mechanical strength.
UZM-26 zeolite catalyst resolves limited pore dimensions and ion exchange capacity by introducing unique MWW topology for efficient hydrocarbon conversion.
Integrated dehydrocyclization reactor produces aromatics and syngas while consuming residual hydrogen to eliminate separation costs.
Dispersing EU-1 zeolite crystals on an amorphous silicon oxide core eliminates binder shaping and maintains xylene yield.
Deoxygenating natural oils into paraffins and converting them to mono-olefins enables high-linearity alkylbenzene synthesis, addressing fossil fuel dependency.
Separates isopentenes from mixed pentenes using etherification and decomposition to boost propylene yield by up to 67%.
Circulating solvent reflux removes reaction heat to prevent uneven distribution and side reactions during 1,4-dimethyltetralin production.
A catalyst composition combines MgO, Al2O3, and alkaline earth metal oxides to form high surface area extrudates.
Recycle streams containing heavy compounds to the transalkylation zone eliminate ethylbenzene formation, reducing separation costs.
Chloride additive in copper oxide guard bed resists reduction, eliminating water production from catalyst deactivation.
Replacing chemical units with thermal oxidation reduces corrosion and operating costs while recovering waste heat.