Catalytic Cracking TRIZ Cases

A composite acidic zeolite catalyst cracks C4 to C11 hydrocarbons into light olefins and aromatics.

Estimate petroleum feed quality using API gravity and boiling point data to replace complex chromatography analysis for practical refinery optimization.

Segmented sloping packing elements create distinct zones for catalyst flow and vapor contact, resolving limited mass transfer in traditional strippers.

A mesopore catalyst converts inferior acid-containing crude oil into high-value products without hydrogen.

Silica intermediary layers protect platinum particles from high-temperature sintering, maintaining aromatic selectivity in propane conversion processes.

Cooling regenerated catalyst via heat exchange decouples regeneration temperature from residence time, minimizing thermal cracking and deactivation.

Protects FCC unit walls from corrosion and gas diffusion at weld connections using metallic strips joined by rigid protection tabs.

A reactor design unifies inner and outer nets into a single hoisting assembly for safe extraction.

FER and MFI zeolite additives resolve the contradiction between selectivity and activity, maximizing ethylene and propylene yields.

Segmented rigid wire modules secure adjacent connections to minimize stress and enable adaptability across different radii of curvature.

Lithium-modified pentasil zeolite catalysts suppress aromatization and hydride transfer to boost ethylene and propylene yields during hydrocarbon cracking.

Direct heat transfer with ilmenite catalysts enhances thermal efficiency while avoiding syngas dilution from inert combustion gases.

Multiple fluid pathways in the nozzle create uniform gas velocity profiles, preventing solids backflow while eliminating high-velocity jets that cause erosion.

Zeolite hydroisomerization catalyst converts straight-chain paraffins into branched isomers, lowering cloud and pour points without reducing diesel yield.

Second-stage cracking decouples heat balance from hydrotreating severity, enabling independent control of delta coke and sulfur reduction efficiency.

Lowered catalyst beds with upward vent tubes reduce unwanted thermal reactions and catalyst fouling by minimizing vapor-catalyst contact time.

A modified Y-type molecular sieve uses magnesium or calcium to enhance thermal stability and secondary pore volume.

Replacing expensive silica sols with water glass reduces production costs while minimizing coke formation and improving hydrocarbon yields.

A modified Y-type zeolite incorporates phosphorus and rare earth elements to stabilize the crystalline framework through ion exchange procedures.

Adjustable reactor configurations shift production between ethylene and propylene modes using nano-zeolite catalysts to resolve refinery inflexibility.

Positioning spent catalyst at the riser base absorbs heat to prevent over-cracking and coking while maintaining light olefin production rates.

Sintered metal filter nozzles prevent catalyst blockages and nozzle erosion during restarts while maintaining low pressure drop.

A fluid catalytic cracking catalyst uses sodium stabilized basic colloidal silica and acidic colloidal silica to form a robust matrix.

Segmenting the riser into interior and exterior portions allows entry through a sidewall port, resolving flow bottlenecks caused by bottom-entry designs.

Sequential static and high shear mixing stages resolve stability contradictions in dissimilar hydrocarbon feedstock blends for downstream processing.

A two-stage hydrotreating process introduces vegetable or animal oils into the effluent of a deep desulfurization bed.

Enlarged riser section and elevated distributor tip prevent feed wall contact to reduce coke buildup during heavy feed processing.

A gas-assisted spray nozzle atomizes cooling liquid into micron-sized droplets using high-density hydrogen.

Impurity-resistant oligomerization catalyst converts dilute ethylene to propylene precursors, overcoming catalyst deactivation by hydrogen sulfide and ammonia.

Steam regenerates spent upgrading agents to produce hydrogen-rich syngas without external heat.

Statistical process monitoring blocks collect and filter field device data to detect abnormal situations before they cause downtime.

Composite catalyst with specific zeolite unit cell sizes increases naphtha production yield while maintaining stability against undesirable byproducts.

A multiphase separator system uses perforated chambers to strip process fluids from solid catalysts during hydrocarbon production.

A combined quench and polishing column cools and purifies flue gas from fluid catalytic cracking units.

Fractionating crude oil into high and low boiling streams enables separate catalytic cracking in downflow reactors with a shared regenerator.

Two-stage cracking with hydrotreatment boosts isobutane yield while lowering olefin content in gasoline.

Second face on baffles directs falling catalyst to adjacent surfaces, resolving bypassing and uneven bed density in FCC stripper vessels.

Modified CuO/Al2O3 catalysts selectively crack alkynes at lower temperatures, preventing olefin loss and improving process efficiency.

Linker agents facilitate Friedel-Crafts reactions on heavy polyaromatic feedstocks, reducing energy consumption while creating high-value thermoset materials.

Charged particle radiation alters biomass molecular structure to enhance fuel production solubility.

A tapering reactor section reduces back-mixing in alkane dehydrogenation to boost alkene yield.

Segmented baffles atomize heavy hydrocarbon loads, reducing pressure loss and pump power requirements.

Segmenting ring contraction and opening reactions minimizes carbon loss while converting complex bio-oils into stable fuel components.

Substitutes nitrogen-rich air with pure oxygen and CO2 recycle gas, eliminating nitrogen dilution to concentrate carbon oxides for simplified capture.

Phosphorus-modified zeolite catalyst manages reactant diffusion rates to maximize light olefin yield from diesel and methanol mixtures.

A fluidized catalytic cracking regeneration apparatus uses a coke supplemental device to generate coke for heat supply.

Intergrowth zeolite catalyst with rare earth promoters lowers reaction temperature while increasing ethylene and propylene yield.

Amine-functionalized zeolites accept titanium organometallic grafts to boost hydrocarbon conversion efficiency while maintaining structural stability.

Plas-TCat converts waste plastics into olefins and aromatics using a fluidized bed reactor.

A riser extension apparatus incorporates a downer and swirl duct to prolong hydrocarbon-catalyst contact time.