Treatment With Plural Parallel Cracking Stages Only TRIZ Cases

Heavy and light feed are split across four FCC reaction zones to balance catalyst heat and avoid supplemental fuel or catalyst coolers.

Splitting raw oil into light and heavy distillates enables staged catalytic cracking that raises olefin and BTX yield while limiting dry gas and coke.

By splitting crude oil into boiling-range fractions and routing them through FCC and steam cracking, this case raises light olefin output with fewer refining steps.

A combined stripper vents residual hydrogen from C3 and C4 hydrogenation streams, eliminating a tower while preserving product specifications.

This case uses 280–320°C fractionation plus steam and catalytic cracking to limit heavy-component interference in light olefin production.

Heavy and light feeds share a common regenerator to balance coke heat and produce light olefins without supplemental fuel or coolers.

Segmenting hydrocarbon streams allows mild hydrotreating for labile compounds and oxidation for refractory species, avoiding severe reactor conditions.

Segmented risers process vegetable oil at lower severity to maintain diesel yield while enabling renewable co-processing in existing infrastructure.

A dual riser FCC unit segments cracking reactions to maximize light cycle oil and propylene yields simultaneously.

Cycling one catalyst through reformers with different conditions boosts aromatics yields while lowering device complexity.

Staged contacting zones convert heavy oil feedstock to lighter products while minimizing spent catalyst recycling and equipment plugging.

Split feed naphtha reforming with counter-current catalyst flow increases aromatic yields while reducing byproduct formation.

A guard bed employs a controlled temperature profile to trap submicron Fischer-Tropsch contaminants, preventing downstream plugging and extending run lengths.

Integrating recycle gas compression reduces capital costs by eliminating redundant equipment across different pressure operations.

Shared compressors link hydrocracking and hydrotreating units, reducing capital costs while meeting low sulfur diesel specifications.

Splitting naphtha feedstreams into lighter and heavier components allows separate reforming under distinct temperature conditions to boost aromatic production.

A hydroprocessing and hydrotreating process mixes effluents from distinct pressure units to fractionate streams into low sulfur diesel products.

A selective hydroprocessing system separates feedstock into aromatic-rich and aromatic-lean fractions for distinct treatment.

Multi-stage catalyst regeneration segments burn zones to lower temperature, reducing deactivation and increasing propylene yields.

Oxidative desulfurization integrates into solvent deasphalting to reduce sulfur and asphalt content without separate processing steps.

Parallel isomerization and reforming units process separated naphtha streams to produce high-octane gasoline blendstock.

A three-stage compressor delivers hydrogen at varying pressures to multiple hydroprocessing zones.

A bi-metallic platinum and iridium catalyst system converts naphtha feedstreams into reformate, addressing high production costs from multiple catalyst usage.

A hydroconversion-distillation process upgrades heavy crude oils using catalytic treatment and separation stages.

A bifunctional catalyst system performs dehydrogenation and isomerization reactions within a single reactor unit.

Bifunctional silica-alumina catalyst converts straight-chain hydrocarbons into branched middle distillates via hydrocracking and hydroisomerization.

A naphtha reforming process splits feedstreams into light and heavy hydrocarbon fractions for targeted catalytic conversion.

A catalytic reforming process transforms hydrocarbon cuts into high-density aromatics using moving bed reactors.

Segmenting naphtha feed allows single catalyst optimization across reactors, reducing costs while boosting aromatics yield.

Blending straight run naphtha as a quench stream manages reactor bed temperature rise, eliminating costly liquid recycling systems.