Fluidized catalytic cracking and thermal filtration lower pour point and viscosity, enabling self-sufficient pipeline transport without external power.
Segmented reactor stages perform isodewaxing, dechlorination, and denitrification to remove impurities that cause corrosion and blockages.
A porous acidic clay catalyst with a binder matrix enhances heavy hydrocarbon cracking through controlled pore structures and optimized heat capacity.
Erosion prediction model calculates remaining lining thickness from superficial velocity to schedule maintenance before unplanned shutdowns occur.
Phosphate-modified zeolite maintains cracking activity at lower temperatures, reducing energy consumption while preventing structural dealumination.
Injecting hot regenerated catalyst into the stripper bed enhances C4 hydrocarbon crackability for increased propylene yield.
Variable diameter zones in an upflow regenerator adjust residence time by coke content, reducing hydrothermal deactivation of spent FCC catalyst.
Phosphorus-free CHA zeolite with alkaline earth metals converts oxygenates to olefins.
Pentasil zeolite catalyst composition with phosphorus and iron oxide increases propylene selectivity in fluidized catalytic cracking.
A spent catalyst distributor projects material through multiple orifices to ensure uniform distribution across the regenerator vessel.
A mobile catalyst injection system uses a trailer-mounted reservoir and flow control device to manage fluidized powder delivery.
Single reactor reforming and hydrocracking eliminates solvent extraction, boosting BTX yield and reducing complexity.
A catalytic conversion apparatus uses a riser and dense bed reactor to produce light olefins from feed oil.
Gamma-alumina microspheres reduce coke production and heat imbalance while maintaining catalyst activity.
Internal baffles redirect effluent vapor away from reactor feed nozzles, preventing coke buildup that increases pressure drop and reduces conversion rates.
A material withdrawal apparatus uses a heat exchanger and shock coolant to cool withdrawn catalyst.
Synthesizing PST-17 metallophosphate molecular sieves using quaternary ammonium and alkali cations to achieve high framework charge densities.
Hydrothermal synthesis of MFS framework molecular sieves reduces production time and cost by lowering alkali content and optimizing water ratios.
Bimodal pore copper aluminate spinel additive reduces gasoline sulfur by 24-33% while maintaining research octane number and yield.
Recycles spent FCC catalyst with controlled coke content to increase light cycle oil selectivity, resolving diesel quality degradation from high aromaticity.
A reverse flow reactor uses a catalyst density gradient to extend combustion time and expand the heated volume during hydrocarbon pyrolysis.
Dispersing pre-exchange localizes rare earth ions in sodalite cages, resolving particle agglomeration and boosting heavy oil conversion capacity.
Rare earth impregnated microspheres passivate vanadium in fluid catalytic cracking catalysts, reducing hydrogen and coke production by 16% and 41%.
A reactor monitors temperature near the inlet to optimize catalyst performance during plastic conversion.
Asymmetric inlet angles mix downward and horizontal catalyst streams in a compact riser, reducing capital costs while maintaining processing capacity.