Hydrotreating MTG effluent reduces olefin content below 1 wt% and durene levels, enabling flexible production of pipeline diluents or gasoline.
Segmented reforming process reduces energy consumption by pre-converting naphthenic compounds at moderate temperatures before high-temperature catalysis.
A two-stage hydrogenation system uses distinct catalyst temperature ranges to process olefin effluents.
Selective pinene dimerization using solid acid catalysts yields dense fuels matching JP-10 properties while avoiding corrosive liquid acids.
Extruded refractory oxide support concentrates palladium in a peripheral crust, resolving the trade-off between catalyst shape and metallic particle dispersion.
Segmented separation removes contaminants from cracked biomass oil, boosting cyclic compound purity for high-octane aviation fuels.
Recycle purified hydrocarbon streams to regenerate adsorbers, reducing coke formation and eliminating inert gas requirements.
Dehydrating dimethylbenzyl alcohol with acid catalyst and recirculating unreacted materials to boost alpha-methylstyrene yield.
Purified biogas generates renewable hydrogen that hydrogenates desulfurized crude oil hydrocarbons, resolving volatility handling difficulties.
Merging caustic scrubber, flare gas, and aqueous streams into one thermal oxidation unit eliminates redundant chemical treatment sections.
Staged catalyst beds remove unsaturated hydrocarbons while preserving aromatic compounds.
A metal-containing colloid catalyzes hydrogenation of unsaturated polymer latex, eliminating gel formation and hazardous chemical requirements.
Real-time hydrogen monitoring enables dynamic temperature adjustments that prevent thermal runaway and acetylene breakthrough in olefin production.
Cycloaddition and selective cracking of biomass terpenes produce C9-C14 jet fuel precursors meeting aviation specifications.
An iron complex catalyst enables asymmetric hydrogenation of olefins using atmospheric hydrogen and silane co-catalysts.
Merges heavies fraction with hydrogenation reactor effluent in a separator to eliminate separate cooling requirements and reduce energy consumption.
Segmented hydrotreatment zones with NiMo and CoMo catalysts convert vegetable oil esters to fuels while managing exothermic heat release.
A Groups 8-10 metal catalyst selectively hydrogenates styrene impurities in paraxylene streams to ethylbenzene.
Hydrogenating linear alpha olefin by-products converts low-value fuel into high-value iso-paraffin solvents.
Incorporating noble metals into polyoxometalate structures resolves the trade-off between structural stability and catalytic efficiency.
Shell-structured catalysts remove deactivating 1,2-dienes from C4 streams while maintaining high 1-butene levels for efficient metathesis.
A zirconia supported ruthenium catalyst maintains high activity and selectivity during liquid phase partial hydrogenation of aromatic hydrocarbons.
Aqueous zinc sulfate solution with controlled nitrogen and acetic acid concentrations maintains ruthenium catalyst activity.
Metal ion intercalation tunes catalyst support charge state to modulate activity.
Hydroisomerizing renewable feedstocks creates branched isoparaffins that lower cloud points below -47°C while maintaining high cetane numbers.
Amino-sulfide ligand complexes enable selective ester hydrogenation without base additives, reducing chemical waste and operational costs.
A selective hydrogenation catalyst uses molten salt processing with an organic additive to control nickel particle size on alumina.
Side stream withdrawal above the supply plate reduces HPNA concentration, preventing catalyst poisoning while maintaining hydrocracking yield.
Increasing water concentration extends catalyst life and reduces reactor inlet temperature during dehydrogenation.
A multi-stage separation process recovers synthetic oils from contaminated composite streams using distillation and solvent extraction.
Cyclic oligosaccharides modify Group VIII catalysts to prevent total saturation into alkanes during selective hydrogenation of polyunsaturated hydrocarbons.
Separating C4 streams prevents catalyst deactivation while dimerizing isobutane to boost propylene yields without consuming ethylene.
Adjusting halide additive flow based on real-time measurements resolves catalyst selectivity trade-offs.
A Diels-Alder reaction converts lignocellulosic biomass into cycloalkenes using Zn-Y zeolite catalysts.
Segmented reactors perform preliminary aromatization to lower energy load and minimize catalyst coking during aromatics production.
Replacing hazardous HF with an ionic liquid catalyst eliminates safety risks while maintaining isomeric distribution control for linear alkylbenzenes.
UV irradiation activates alkoxides to selectively reduce aromatic unsaturations, lowering viscosity and density without catalyst complexity.
Low temperature chemoselective hydrogenation saturates alkene groups in cyclic monoterpene precursors while conserving cyclopropane ring structures.
Organic additives modify Group VIII metal surfaces to improve selectivity while maintaining high activity in selective hydrogenation.
A dual catalyst system enables vacuum bottoms recycling in ebullated bed reactors without asphaltene buildup.
A copper catalyst on a carbon support enables selective di-olefin hydrogenation without promoter metals.
Blending octene, decene, and dodecene during oligomerization resolves the trade-off between Noack volatility and pour point in low viscosity polyalpha-olefins.
A nickel catalyst with bimodal mesoporous and macroporous alumina substrate enables efficient hydrogenation reactions.
Co-feeding naphtha with C8 hydrocarbons over an alkali-modified catalyst suppresses hydrocracking, increasing xylene yield.