Hydrocarbon Purification/Separation TRIZ Cases

Hydrocracking blended Fischer-Tropsch and petroleum streams preserves aromatics, improving seal swell, density, and thermal stability while reducing sulfur.

Recycle cooled product as a quench stream to cool dehydrogenation output, reducing thermal cracking and improving light olefin selectivity.

A chelated zinc scavenger composition absorbs hydrogen sulphide and carbon dioxide from industrial streams.

Hydroquinone additives inhibit monomer polymerization, reducing product loss and equipment fouling during distillation.

Solid adsorbents remove metal halides from polyolefins, eliminating hazardous water washing waste and enabling continuous operation.

Bi-modal metallocene polyalphaolefin blends resolve viscosity-wear trade-offs by maintaining protective oil films while reducing viscous energy losses.

Hindered alkyl 4-hydroxybenzoate stabilizes compressor oil without interfering with ethylene polymerization processes.

Substituted phenol stabilizers prevent oligomerization in cyclic alkenes, reducing residue formation and equipment downtime.

Introducing an antifouling compound into a jet loop reactor prevents polymeric residue accumulation, maintaining cooling capacity and process continuity.

A blending process merges bitumen-laden aromatic and paraffinic solvents into a single composition.

Toluene methylation converts high-purity toluene streams into para-xylene using catalytic reaction.

Metathesis of linear alpha olefins yields tunable melting point waxes, addressing synthetic supply shortages.

Distillation separates inert N-methyl secondary amines from SAFA scavengers, reducing flammable byproducts and improving H2S scavenging efficiency.

Replacing conventional distillation with extractive methods to resolve high energy consumption during benzene and C8 aromatics separation.

A multi-component scavenger system combines an ester with an electron-deficient organic compound to react with contaminants in hydrocarbon streams.

Using a molecular sieve catalyst to convert C3 to C8 olefins reduces separation energy and equipment size by lowering distillate molecular weight.

Heating the catalyst removes bound water, which reduces alkane formation during ethanol dehydration and improves ethylene purity for polyethylene production.

Liquid alcohol washing removes C2-C6 carbonyls from compressed vapor streams, maintaining high ethylene and propylene recovery rates.

Dual catalyst bed reactor converts phenylacetylene to ethylbenzene while preserving styrene purity and reducing gum formation.

Non-toxic 7-cinnamyl quinone methides replace hazardous dinitro compounds to prevent vinyl monomer fouling and product loss.

Injecting C1-C3 alcohol into the final reactor zone consumes residual oxygen to protect mixed metal oxide catalysts from deactivation.

Butyllithium removes impurities from alkylene oxides at ambient temperature, eliminating runaway polymerization risks and cooling requirements.

A knitted glass fiber fabric separates ionic liquids from hydrocarbon phases through capillary action and adsorption mechanisms.

Amine and quinone methide composition inhibits styrene polymerization, eliminating continuous inhibitor addition requirements.

A PdAg catalyst with a peripheral metal crust improves selective hydrogenation activity.