Hydrocarbon Oil Cracking TRIZ Cases

An integrated process combines hydrodesulfurization and hydrocracking zones to produce low sulfur diesel.

A single-stage catalyst system converts aromatic hydrocarbons into jet and diesel fuels, eliminating multiple reactor stages.

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

Optimized hydrocarbon base oil composition resolves the trade-off between low-temperature fluidity and sealing pressure to prevent leakage.

Aromatic solvent injection prevents heavy polynuclear aromatic precipitation and equipment fouling in hydrocracking units.

A hydrotreating unit removes sulfur from a diesel stream before the hydrocracking reactor converts heavy hydrocarbons.

Polymeric compositions lower crude oil pour points using ethylene-vinyl ester copolymers, preventing solidification at low temperatures.

High-saturate base stocks with controlled aromatic absorptivity improve oxidation stability and low temperature properties while reducing additive content.

Segmented by-passable hydrocracking reactors increase distillate yields while preventing sediment accumulation that degrades fuel quality.

Separates polycyclic aromatic hydrocarbons from the heavy oil recycle stream via vacuum distillation, preventing catalyst deactivation and equipment fouling.

Splitting compressed hydrogen feeds separate hydrocracking and hydrotreating units, reducing capital costs by eliminating redundant supply systems.

A thermal hydrodealkylation unit removes alkyl groups from polynuclear aromatic compounds before hydrocracking.

Segmented ring-opening and hydrocracking stages boost aromatics yields while lowering hydrogen consumption.

Slurry hydroconversion with pitch recycle yields high vacuum gas oil content, eliminating coke formation and external diluent needs.

Hydrocracking deasphalted vacuum residue yields low sulfur bunker oil, eliminating engine modifications for emission compliance.

Hydrogenation reduces di-aromatic content in aromatic complex bottoms, resolving sulfur and benzene contamination to boost product yield.

A partial upgrading system blends heavy hydrocarbon with a hydrogen donator and heats the mixture to liberate hydrogen for molecular bonding.

Segmenting hydroconversion into stages with optimized parameters reduces sediment formation and catalyst deactivation while maintaining high productivity.

Selective extraction of large particulates from hydrocarbon feed prevents reactor pressure drop and catalyst deactivation during hydroprocessing.

An organic Rankine cycle system recovers thermal energy from multiple petrochemical process streams using a common intermediate heat transfer medium.

A catalyst composition with controlled nickel and molybdenum ratios converts heavy hydrocarbon pitch components.

Integrating hydrotreating reduces coke precursors in heavy feeds, enabling high conversion without excessive coking.

Replacing coking units with a slurry phase hydroconversion reactor eliminates coke by-products and reduces energy consumption during crude oil refining.

Multi-stage ebullated bed reactors overcome single-unit conversion limits by applying parameter changes across series units, achieving over 75% yield.

A boiling bed reactor converts heavy petroleum fractions into gas oil using a single multistage hydrogen supply system.

Low-pressure hydroprocessing with transition metal catalysts upgrades heavy crude oil to lighter products while converting residues into olefins and aromatics.

Colloidal and supported catalysts upgrade asphaltenes in ebullated beds, reducing fouling and extending equipment life.

Segmenting conversion stages resolves the trade-off between maximizing diesel yield and maintaining unconverted lubricant viscosity index.

A hydrocracker adjusts severity using feed alpha value to target specific diesel-to-naphtha molar ratios.

A cross-flow reactor design distributes reactant gas radially through a packed catalyst bed to enhance three-phase contact.

A two-stage hydrocracking process converts mixed hydrocarbon streams into targeted ethane and propane fractions using specialized catalysts.

Nickel-molybdenum guard beds remove solid particles and metal compounds from Fischer-Tropsch feedstocks, protecting downstream catalysts from deactivation.

A hydrocracking system with separate catalyst beds directs unconverted oil through specific zones to adjust product proportions between gasoline and diesel.

Deep saturation catalysts transform whole crude oil into high-value petrochemicals while minimizing coke formation and heavy polynuclear aromatic compounds.

Separates diesel into light and heavy fractions for distinct hydrocracking pressures to maximize heavy naphtha yield.

Vacuum fractionation separates fine slurry hydrocracking catalyst from high-viscosity pitch, enabling catalyst recovery and pitch fuel use.

Thermal treatment reduces pyrolysis tar reactivity to prevent catalyst fouling during hydroprocessing.

Hydrodearylated aromatic bottoms replace kerosene to lower viscosity while maintaining low sulfur content in marine fuel blends.

A multistage hydroprocessing configuration uses split feed injection and a high-pressure separator to upgrade heavy oils efficiently.

Segmenting distillation columns isolates pure kerosene while blending heavy naphtha with diesel to increase yield without reducing jet fuel output.

Dissolving hydrogen in liquid hydrocarbon feedstock stabilizes free radicals to reduce coke formation and eliminate gas recycle systems.

A hydroprocessing reactor internals design minimizes vertical space through a compact mixing chamber and ring quench distributor.

Segmented catalyst beds resolve conflicting reaction conditions to increase distillate fuel yield by 0.25 to 5.0 vol% through volume swell.

Upstream noble metal catalyst saturates aromatics to lower energy consumption and thermal cracking during hydrocracking.

Hydrotreatment removes oxygen from renewable esters to boost BOCLE lubricity below 0.85 mm without additives.