Catalytic Cracking TRIZ Cases

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A material withdrawal apparatus uses a heat exchanger and shock coolant to cool withdrawn catalyst.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.

Asymmetric angled baffles disrupt gas coalescence to enhance catalyst stripping efficiency in fluid catalytic cracking units.

Vent fluidizing air from a catalyst cooler directly into the lower chamber of a regenerator vessel for immediate consumption.

Split-feed injection in fluid catalytic cracking risers directs mixed hydrocarbon streams to distinct zones, optimizing reaction conditions for higher light fraction yields.

Precise localization of rare earth ions within supercages and sodalite cages balances high cracking activity with structural stability during steam aging.

Silicon carbide injection elements resist catalyst abrasion, eliminating nozzle erosion and reducing maintenance downtime.

Rare earth modified zeolite resists alkali metal poisoning in fluid catalytic cracking, maintaining gasoline yield and thermal stability.

Adding viscosity-reducing agents to biocrude oil before catalytic cracking prevents polymerization and reactor fouling while boosting hydrocarbon yield.

Flash chemical ionizing pyrolysis converts hydrocarbons via an iron and chloride emulsion, eliminating solids handling equipment.

Dual-riser cracking with optimized catalysts raises gasoline yield while eliminating low-quality diesel production.

Two-stage catalytic treatment reduces gasoline sulfur below 10 ppm while limiting octane loss and minimizing hydrogen consumption.

Fluid catalytic cracking unit co-converts waste plastics with petroleum feedstocks, utilizing regenerator heat to manage coke yields and maintain catalyst flow.

Asymmetric orifices in the injector atomize viscous feeds into uniform droplets, reducing thermal cracking and improving catalyst contact.

Phosphorus incorporation into Y-type zeolites resolves the contradiction between catalytic activity and hydrothermal stability via parameter optimization.

MeAPSO-83 molecular sieves utilize mixed structure directing agents to achieve high framework charge densities.

Plastic pyrolysis oil undergoes catalytic cracking in a fluidized bed reactor to produce olefins and distillate fuels while regenerating the spent catalyst.

An FCC additive composition using acidity enhanced modified clay and alumina to crack heavy hydrocarbons into lighter fractions.

Alkaline earth metal matrix reduces acidity to lower coke formation while maintaining zeolite activity and lowering production costs.

Cooled catalyst in a secondary reaction zone promotes C4 oligomerization, boosting propylene yield while reducing steam requirements.

Fractionates olefinic gasoline into three cuts to selectively desulphurize heavy fractions while preserving octane value in light cuts.

A debutanizer with a side stripper recovers light, intermediate, and liquid streams from oligomerization processes.

Opposing cyclonic mixing reduces viscosity of heavy hydrocarbon feedstock, preventing nozzle plugging and enabling uniform droplet formation via impingement.

A refinery process blends butanol with light distillate to create fuel.

Radial liquid inlet ducts intersect at a single point to form droplets swept by axial gas, reducing pressure drop and steam usage.

Catalyst composition with pentasil and USY zeolites plus metal traps handles nickel and vanadium contaminants while maintaining high LPG selectivity.

Cracking paraffinic naphtha in a downflow reactor with regenerated catalyst to produce lower olefins.