Metathesis and isomerization convert renewable feedstocks into suberic acid, bypassing petroleum dependency.
A countercurrent reactor converts methane to higher hydrocarbons using catalytic particulate material.
Optimized EUO zeolite sodium levels suppress ring opening side reactions to boost para-xylene selectivity.
High-proportion benzene co-feeding reduces unexpected ring loss during transalkylation, preserving aromaticity and improving xylene yield.
High open macroporosity in the alumina catalyst accommodates coke deposits, maintaining active sites and extending durability during C4 alcohol dehydration.
Pre-separating dimethylpentane before isomerization simplifies purification, reducing energy consumption for high-purity cyclohexane.
Dehydrogenation converts C4 feedstocks to olefins for co-producing MTBE and alkylates, resolving limited flexibility in product slate adjustment.
Aerosol processing distributes metal oxide within silica supports to resolve wet impregnation limitations, enhancing 2-butene conversion efficiency.
A dividing wall fractionation column separates cumene from benzene and polyisopropylbenzene in a single unit.
Fe2(BDP)3 metal-organic framework separates alkane isomers via shape-based adsorption, eliminating energy-intensive distillation.
Dual desorbent adsorption separates para-xylene from mixed xylene streams, eliminating thermal distillation steps that drive high energy consumption.
A dimerization catalyst converts isobutene into a C8 component for subsequent cyclization.
Separating feed streams into different injection zones overcomes mixing inefficiencies to achieve 98.65% recovery.
Ruthenium catalyst drives Meyer-Schuster rearrangement at 20°C to 40°C, resolving high temperature selectivity trade-offs.
Selecting fatty acid mixtures with saturation scores above 1.0 lowers electrode passivation voltage during Kolbe electrolysis.
A hydrocarbon processing apparatus combines feed streams and utilizes an isomerization zone to simultaneously disproportionate and isomerize iC5/nC4 components.
Composite silica-alumina oxides create large pores that adsorb heavy molecules while maintaining thermal stability.
Merges C5/C6 and C4 isomerization units to capture off-gas hydrocarbons, eliminating separate scrubbing zones and lowering operating costs.
A bifunctional catalyst supports hydrogenation metals on a mixed zeolite and refractory oxide binder to produce high-value aromatic hydrocarbons.
Unchilled feed absorbs chlorides from stabilizer vapors to cut caustic use and corrosion in isomerization.
A basic catalyst isomerizes normal butene to isobutene, suppressing by-product generation and enabling high yield.
Pre-hydrogenates renewable feedstock with low purity hydrogen, reducing deoxygenation costs while preventing oxidation instability.
Hierarchical pore structures increase surface area, enabling efficient isomerization while preventing excessive cracking reactions.
A bifunctional solid catalyst drives cyclitol C-C coupling and hydrogenation to produce bicyclic fused-ring alkanes.
A catalytic distillation column isomerizes 1-butene to 2-butene while separating hydrocarbon streams.
Hydroisomerization of 1-butene reduces linear butenes in the feed, minimizing C8 codimer formation and improving dimer selectivity.
Fermented longifolene converts to high density fuel components, raising volumetric heat of combustion by 17% while cutting carbon footprints.
Recycling benzene from distillation fractions maintains high molar ratios in transalkylation, reducing capital costs and heavies formation.
Segmenting metathesis and cracking zones with distinct catalysts boosts propylene yield and selectivity while reducing energy costs compared to steam cracking.
Selective dealkylation removes coke precursors from heavy reformate to extend catalyst life while producing benzene and para-xylene.
Rough distillation removes higher boiling impurities from spent benzene, reducing reboiler duty and alkylbenzene production energy consumption.
Molecular sieve separation of light naphtha enables steam cracking or isomerization to produce high octane gasoline components from inert feedstocks.
Composite ZSM-5 catalysts synthesize ethylbenzene from ethanol and benzene, reducing energy consumption by merging dehydration and alkylation steps.
Segmented catalyst zones convert 2-butene to propylene via isomerization, metathesis, and cracking, addressing limited production capacity.
Combining pressure swing adsorption with crystallization lowers refrigeration duty and capital costs by reducing mass throughput through the cooling zone.
Ring-closing metathesis converts linear sesquiterpenes into dense cyclic hydrocarbons for advanced propulsion fuels.
A multiple-stage catalyst system converts butene into propene through sequential isomerization, metathesis, and cracking reactions.
Segmented hemispheric bodies reduce catalytic bed thickness below 400 mm, resolving insufficient pressure drop in reduced-capacity radial reactors.
Hydrolysis of renewable glycerides generates free fatty acids and glycerol for subsequent conversion into paraffins and propylene glycol.
NCN pincer ligand group VI metal complexes catalyze olefin polymerization and isomerization reactions.
Introducing a sulfur source into the transalkylation zone reduces benzene co-boilers and improves product purity without expensive separation.
A butane hydrogenolysis process controls inlet hydrogen ratios to extend catalyst lifetime under lean conditions.
Optimized ionic liquid to hydrocarbon volume ratios enable rapid phase separation in chemical conversion processes.
This process resolves low yield and energy waste by segmenting C8 streams and applying modified ZSM-5 catalysts to maximize p-xylene concentration.
A single olefin reduction unit treats split reformate streams to remove olefins while avoiding benzene and toluene saturation losses.
Segmented pore architecture in SSZ-70 molecular sieve directs hydrocarbon conversion reactions, resolving selectivity versus device complexity trade-offs.
Series SMB separation reduces energy consumption and investment costs by minimizing distillation columns.