Catalytic Cracking TRIZ Cases

Using combustion fumes to preheat air improves energy efficiency and reduces external fuel consumption in catalytic cracking.

Pyrolyzing pulverized carbonaceous feedstock in a vertical reactor with entrained hot syngas to resolve low efficiency and complex multi-stage operations.

Corrugated stanchions in a three-dimensional lattice funnel catalyst particles into open spaces, reducing steam consumption and back-mixing in fluidized beds.

Segmented single riser reactors balance endothermic and exothermic reactions to eliminate dual riser complexity.

Zinc and gallium on montmorillonite clay reduce gasoline sulfur content by 39 percent while maintaining octane levels.

Segmented pore structures with water-soluble porogens improve high molecular weight hydrocarbon diffusion without leaving chemical residues.

Nano-zeolite catalysts upgrade vacuum residue to olefins without steam, reducing coke formation while maintaining high conversion efficiency.

Beta and MFI zeolite combination resolves low yield issues by converting polycyclic aromatic hydrocarbons in light cycle oil to high-value monocyclic aromatics.

An expansion joint connects the outlet tube sheet to the shell, accommodating differential thermal expansion to reduce stress on heat exchanger components.

Partitioned regenerator subunits manage coke combustion via controlled air flow, resolving trade-offs between regeneration efficiency and device complexity.

A modified Y-type zeolite catalyst with controlled unit cell size and phosphorus content enhances heavy oil utilization in fluid catalytic cracking.

A deoiled spent catalyst slurry traps metal contaminants in heavy oil feedstock to maintain catalytic activity.

Mesoporous ZSM-22 zeolite enhances propylene yield through improved diffusion and reduced aromatization.

A catalyst additive composition comprising calcined clay, diluent clay, silica, and alumina enhances olefin production during heavy hydrocarbon cracking.

Recycles spent FCC catalyst with controlled coke content to increase LCO selectivity, resolving the trade-off between productivity and catalyst stability.

Phosphorus-doped BEA zeolite adsorbs hydrocarbons while maintaining structural integrity at high temperatures.

Thermal processing with a biocatalyst converts non-biodegradable waste plastics into fuel, bypassing landfill accumulation.

Debutanized naphtha absorbs propylene beyond 97% without wet gas compressor loading.

Continuous synthesis of ZSM-5 zeolite prevents reactor clogging by maintaining low viscosity in the reaction mother liquor.

AlPO-59 molecular sieves utilize a unique ABC-6 net structure to enable tailored porosity for catalytic applications.

Heating slurry oil under vacuum pressure separates cycle oil from heavy fractions, enabling recycle to the FCC unit and increasing diesel yield.

A system recovers power from FCC dry gas by combusting it with oxygen before mixing with regenerator flue gas.

Quinuclidine mediates nucleation of nanozeolite Y crystals, resolving the trade-off between synthesis complexity and product yield.

Modular contacting stages prevent fluid bypassing and reduce pressure drop by securing demister and downcomer components.

Organometallic catalyst decomposes within hydrocarbon boiling ranges, resolving temperature mismatches that limit resid upgradation efficiency.

Multi-stage hydrocarbon conversion with specific catalysts increases aromatic yield while suppressing catalyst coke formation.

Hydroprocessing zones remove heteroatoms from recycled cracked streams, enabling higher yields of diesel and propylene.

Particulate vanadium oxide removes sulfur compounds while antimony stabilizes zeolite structures to prevent hydrogen and coke generation.

A synthesis mixture with controlled water content and potassium modifies the average diameter of crystalline molecular sieves.

A catalyst combining MFI zeolite, phosphor, and transition metals enhances hydrocarbon conversion yields.

Integrating solvent deasphalting and steam catalytic cracking reduces refinery complexity while increasing olefin yield through continuous processing.

Segmented fluidization prevents sudden thrust against cooler internals, avoiding mechanical damage during re-fluidization.

Segmented packed beds combine cracking and dehydrogenation catalysts to produce propylene, reducing coke formation and process complexity.

Converts benzene and FCC off-gas into alkyl aromatics, lowering regenerator temperature.