Catalytic Cracking TRIZ Cases

Angular nozzle catalyst distributor spreads coked catalyst evenly to ensure uniform oxygen exposure and complete combustion.

A multi-toothed fork contact device fastened to the outer wall creates turbulence that homogenizes catalyst distribution while minimizing pressure drop.

Segments hydrocracking into two reactors with recycled bottoms to resolve yield-cost trade-offs.

A contaminant trapping additive absorbs metals from fluid catalytic cracking feedstocks, reducing frequent catalyst addition costs.

Segmented injection of lipid feedstock into FCC risers optimizes diesel and gasoline yields by managing catalyst temperature profiles.

Merging fluid catalytic cracking and hydrocracking outputs reduces equipment count and operating costs.

A bi-functional fuel-cracking catalyst suppresses coke formation at supercritical temperatures, enabling efficient heat transfer in gas turbine engines.

Upstream ZnO adsorption removes sulfur impurities from pyrolysis gas, reducing oxygen consumption and protecting catalysts during biomass syngas production.

An insert in a reactor riser obstructs direct passage between catalyst conduits to mix regenerated and carbonized streams.

Phosphorus-treated zeolite ZSM-5 impregnated with rare earth salts maximizes light olefin and LPG yields in fluid catalytic cracking.

Composite zeolite Y and ZSM-5 catalysts crack heavy oil feedstocks to increase propylene yield while reducing dry gas and coke formation.

Replacing steam diluent with dry gas prevents catalyst dealumination during light olefin production, maintaining activity at high temperatures.

A catalyst settler in the regenerator removes corrosive gases, reducing material burden and reactor corrosion.

Co-processing vacuum gas oil with tall oil pitch in a catalytic cracking unit yields high octane gasoline components.

Segmented mixing zones within a nested riser chamber equalize hot and cold catalyst temperatures before feed contact, preventing non-selective cracking.

Auxiliary heater reduces oxygen concentration below 0.1 percent to prevent after burn and sulfuric acid condensation during partial burn operation.

An ancillary downflow reactor cracks heavy oil using shared catalyst to boost light olefin yield while managing coke formation on the fluidized bed.

Boron oxide passivates nickel and vanadium contaminants while phosphorus stabilizes zeolites to lower coke and hydrogen yields in resid cracking.

A chemical looping catalyst system generates heat through redox reactions to drive hydrocarbon cracking in a moving bed reactor.

A separator-reactor vessel channels feedstock through distinct adsorbent and catalyst zones.

Injecting high-carbon solid material into the regenerator dense bed to boost coke combustion and restore thermal equilibrium.