Two-step phosphorus treatment suppresses coke formation on binder acid sites, extending catalyst lifespan in aromatic hydrocarbon production.
Boron oxide additives on FCC catalysts neutralize nickel and vanadium contaminants, reducing hydrogen and coke yields during resid processing.
Cerium oxide support suppresses coke deposition and sulfur poisoning, maintaining catalytic activity during steam reforming.
Neural network controllers adjust FCC parameters to maximize light olefin yield while minimizing unwanted dry gas formation.
Dissolving hydrogen in liquid hydrocarbon feedstock enables efficient catalytic cracking reactions.
Adding high hydrogen content vacuum gas oil to fluid catalytic cracking biomass oil reduces carbon oxide and coke formation.
Merging acid gas compression with catalytic cracking effluents eliminates head compressors, reducing capital investment and operating costs.
Vacuum separation of heated slurry oil recovers cycle oil for FCC recycling, increasing distillate yield while reducing sulfur and nitrogen contaminants.
Sidewall riser entry eliminates annular space disruption and reduces residence time, minimizing secondary reactions that lower light olefin yield.
Parallel xylene columns operating at different pressures separate C8 aromatics while exchanging heat between units to reduce energy consumption.
Spent FCC and ZSM-5 zeolite catalysts convert plastic feedstock to olefins while minimizing methane production.
Modular trailer-mounted silos eliminate civil work, reducing installation time and costs.
Inert gas lift medium eliminates steam-induced catalyst deactivation while mixed zeolite injection boosts olefin yields without hardware changes.
Composite oxide catalyst converts hydrocarbons and carbon dioxide into olefins, hydrogen, and carbon monoxide while mitigating emissions.
A flash drum separates heavy oligomerate from light streams to enable selective recycling and lower operational expenses.
Composite zeolite beta and ZSM-5 with group VIII and VIB metals control hydrogenation activity to increase BTX yield from polycyclic aromatic byproducts.
Segmented welding of fastening tabs blocks gas penetration and reduces coke formation at coating junctions.
Small pore zeolite encapsulates metal catalysts to selectively oxidize carbon monoxide, preventing nitrogen compound conversion and reducing NOx production.
Rapid vapor phase separation and quenching below 200°C prevent thermal degradation during low-temperature carbon conversion.
A catalyst withdrawal apparatus uses a metering device and heat dissipater to regulate inventory in fluid catalytic cracking units.
Phosphorus-treated zeolite catalyst converts C4+ compounds to olefins, overcoming low yields and costly purification in steam cracking.
Contacting a fluid catalytic cracking catalyst with oxygenated compounds reduces coke and hydrogen formation while maintaining cracking conversion.
Independent temperature control of cold regenerated catalyst reduces olefin content and boosts gasoline octane number.
A hydro pyrolysis process manages catalyst activity through hydrogen saturation and controlled coke deposition.
A supported catalyst with specific metal components enables selective hydrogenation of heavy aromatics to light aromatics.
Segment the FCC process to crack recycled streams in the stripping zone, maintaining unit capacity while improving product quality.
Segmenting zeolite into nanosized crystallites prevents pore blocking, extending catalyst lifetime during methanol conversion.
Radial plates in the gas recovery conduit impede swirling motion, reducing equipment erosion while maintaining separation efficiency.
Hydroprocessing light cycle oil fractions reduces hydrogen consumption and catalyst poisoning while increasing aromatic yield.
Integrating a mixing chamber into the reactor riser structure improves catalyst temperature uniformity while avoiding increased device complexity.
Segmenting deasphalted oil allows high severity cracking of heavy fractions while preserving light hydrocarbon integrity.