Segmented hydrogenation removes sulfur and aromatic impurities from renewable olefins while maintaining precise carbon number separation.
A catalytic distillation reactor system hydrogenates diolefins while fractionating hydrocarbon streams to isolate benzene.
Eggshell palladium on dispersed gold buffers carbon monoxide fluctuations to stabilize selective hydrogenation of C2-C4 cuts.
Introducing carbon monoxide or dioxide into the feed stream prevents complete saturation to butane, achieving high selectivity for valuable butene products.
Segmented nickel and palladium beds convert phenylacetylene to styrene while keeping loss below 0.5 percent.
A thermal pyrolysis reactor feeds a selective hydrogenation converter to transform acetylene into ethylene.
Segmented heat exchangers and catalyst removal prevent fouling in benzene hydrogenation pump-around loops.
Preliminary hydrotreating of naphthenes reduces energy consumption during subsequent high temperature reforming while increasing aromatic yields.
Integrated heat recovery reduces energy consumption and prevents coke formation during adsorber regeneration.
Metallocene catalysts produce syndiotactic polyalphaolefins with controlled triad content, eliminating post-polymerization hydrogenation steps.
Fatty acids convert to saturated hydrocarbons via olefin oligomerization, reducing environmental impact while maintaining lubricant performance.
Aqueous phase synthesis produces bimetallic core-shell nanoparticles with controlled shell thickness using mild reducing agents.
Metal-supported skeletal catalyst structures deliver high conversion per geometric area through interdiffused alloy surfaces.
Replacing expensive protic solvents with hydrocarbons and phenol additives reduces costs while maintaining high selectivity for head-to-head dimer production.
A nickel catalyst with bimodal particle distribution resists sulfur and chlorine poisons while maintaining high hydrogenation activity.
Multi-stage catalyst converts biomass carbohydrates into liquid alkanes, eliminating energy-intensive distillation steps.
Convert diolefins and oxygen in a pretreatment reactor to prevent polymer fouling during hydrotreating.
Distillation separates 1-butene from a C4 mixture before metathesis, preventing isomerization losses and boosting propylene yield.
A mixed-phase bismuth molybdate catalyst enables oxidative dehydrogenation of C4 mixtures to produce 1,3-butadiene.
Segmenting the C2 stream into two parallel deethanizer columns increases ethylene production while maintaining existing acetylene converter infrastructure.
A multicomponent bismuth molybdate catalyst enables oxidative dehydrogenation of n-butene to produce 1,3-butadiene.
Converts waste biomass to renewable hydrogen, reducing greenhouse gas emissions in liquid transportation fuels.
Layered catalyst composition eliminates sulfur loss and polymerization by replacing sulfided nickel with Group 8-10 metals on oxide supports.
Cuy-MMgOx catalyst with controllable interface structure overcomes ethylene selectivity deterioration in acetylene hydrogenation.
Palladium gallium gold silica catalysts prevent ethylene over hydrogenation by weakening product adsorption and accelerating desorption.
Heterogeneous solid acid catalysis achieves selective dimerization of terpenes while minimizing trimer formation through controlled pore structures.
Heterogeneous acid catalysts dimerize branched olefins to resolve selectivity issues and yield unstable oligomers in renewable fuel production.
Low surface area palladium catalyst with silver minimizes olefin conversion to paraffins during alkyne removal.
A selective hydrodesulfurization process removes sulfur from naphtha using a dedicated adsorbent zone to treat mercaptan-rich streams.
A bifunctional catalyst in a single reactor performs olefin hydrogenation and naphthene dehydrogenation to generate aromatic streams.
A distributed feed and hydrogen system splits streams across multiple reaction zones to manage exothermic heat generation.
Aluminum gallium liquid metal catalysts produce hydrogen from water at room temperature, replacing expensive precious metals with abundant base materials.
Controlled oxygen introduction selectively oxidizes acetylene contaminants, preventing temperature excursions and extending catalyst life.
A bifunctional catalyst drives hydrodefunctionalization and isomerization of biological feedstocks to yield branched saturated hydrocarbons.
A regeneration process uses a carbon monoxide and carbon dioxide atmosphere to remove coke from metal catalysts.
A fluidized bed reactor uses a Mo-Bi-Fe oxide catalyst to produce conjugated diolefins from monoolefins.
AlPO-78 metallophosphate molecular sieves lower regeneration temperatures by shifting water uptake isotherms, reducing energy input in heat pumps.
Peripheral palladium crust on porous support enables selective hydrogenation while limiting oligomerization and catalyst deactivation.
A copper catalyst mediates coupling between bis-Grignard reagents and allylic substrates to synthesize linear α,ω-diolefins.
Chain extension and hydrodeoxygenation convert renewable biomass into saturated hydrocarbons, replacing petroleum sources.
A chloride-modified copper oxide adsorbent removes sulfur from mixed phase streams while resisting reduction.
Molybdenum oxide catalysts convert fatty acids to linear hydrocarbons at lower temperatures, reducing energy consumption and operational costs.
A composite particle with a nanoscopic thickness and microscopic lateral dimensions acts as a catalyst.
A deep catalyst bed for oxidative dehydrogenation converts butenes to butadiene, preventing oxygen breakthrough and extending catalyst life.
Optimized palladium on alumina catalyst resolves process complexity and polymerization risks during butadiyne hydrogenation.
Segmented reactor zones with intermediate product recycling optimize carbon efficiency and yield for controlled olefin trimer and tetramer production.
Selective hydrogenation removes dienes before catalytic distillation, preventing catalyst poisoning and enabling flexible dimer or ether production.