Organic Compounds Purification/Separation/Stabilisation TRIZ Cases

Continuous crystallization with anti-solvents resolves the purity-productivity trade-off in iodinated aryl purification.

Electrolytic cells oxidize aldehydes into carboxylic acids, eliminating solid solution impurities that hinder crystallization.

Continuous transesterification isolates vitamin E and sterols from biological oils, preventing degradation during separation.

Catalytic conversion transforms low-boiling impurities into higher-boiling ones, enabling efficient distillation and high-purity isopropanol production.

High-pressure diphenyl column elutes [F-18]FEONM with ethanol solvent, removing toxic precursors for direct intravenous injection.

Adding calcium compounds to wet olive pomace creates compact solid particles that reduce residual moisture below 50 percent during mechanical separation.

A metal-catalyzed reaction of nitroxyl radicals with carbonyl compounds and hydroperoxides produces sterically hindered ethers.

Adding ascorbic acid stabilizes the radiotracer during reverse phase SPE chromatography, preventing in-process radiolysis and improving radiochemical yield.

A continuous flow system uses the Venturi effect to mix cell lysates with salt solutions for rapid plasmid precipitation.

Ammonia dissolves aromatic amino acid crystals for concentration crystallization, enabling a sustainable ammonia cycle that reduces salt waste.

Vacuum distillation removes volatile impurities from delta-8-THC oil while preventing thermal isomerization to delta-9-THC.

Solvent treatment converts unstable polycyclic aromatic polymorphs into stable crystalline forms, minimizing endoperoxide formation during storage.

Precipitating neutralization salts as solids separates impurities from tetraalkyl bisphosphates, avoiding water-phase yield losses.

Segmented catalyst zones manage temperature to reduce coke deposition while maintaining high conversion rates.

Cooling the mixture splits HF and HFO-1234yf into separate liquid layers, then distillation removes residual HF to yield high-purity product.

A carbonized material decomposes ozone into oxygen and carbon dioxide at room temperature without external energy input.

Amine stabilizers buffer purified isosorbide against degradation, maintaining pH stability and preventing oxidation without compromising purity.

Enzymatic cyclization converts homofarnesol to ambrox, while selective crystallization removes impurities for olfactively pure fragrance production.

Vaporizing a cannabinoid liquid formulation via phase transition generates an inhalable aerosol that delivers active compounds with rapid absorption rates.

Selective extraction removes volatile organic compounds from cannabis raw material while preserving cannabinoid content.

Chloroiminium agents remove dimethylacetamide from dimethylformamide, avoiding complex fractional distillation equipment costs.

Optimizing crystallization parameters to isolate stable anhydrous forms, resolving the trade-off between preparation ease and pharmacokinetic bioavailability.

Heat integration between high and low pressure columns reduces steam consumption while removing volatile organic impurities from distilled water.

Multi-stage filtration and simulated moving bed chromatography remove contaminants to achieve polymer-grade succinic acid without chemical additives.

A dividing wall distillation column separates benzene from cumene streams using internal structural segmentation.

Segmented drift tube with AC gate filters ions by mobility, resolving interference from similar molecules.

Kosmotropic salts coagulate chitin from ionic liquids, resolving high recycling costs and preserving molecular weight.

Neutralizing hydrogen chloride with sulfuric acid forms a solid precipitate that simplifies impurity separation and increases yield.

A pterostilbene-cyclodextrin complex inhibits SIRT1 and SIRT2 enzymes to manage polyglutamine-repeat disorders.

Recovering demobilized arginine via pH adjustment reduces costs while maintaining effective solubilization of carboxylic acids.

Light-induced electron transfer selectively modifies metal complexes for separation, avoiding harsh redox reagents and high potentials that degrade solvents.

Infrared electromagnetic radiation breaks hydrogen bonds in methane hydrates, preventing uncontrolled atmospheric release during extraction.

Aliphatic amines and nitroxide compounds inhibit aromatic vinyl monomer polymerization through free radical scavenging mechanisms.

Adding cyanamide to melamine mother liquor shifts equilibrium toward guanidine carbonate formation, increasing productivity without new plant infrastructure.

An infrared heater emits radiation at specific wavelengths to selectively refine organic compounds.

Liquid diethyl ether absorbs moisture from circulating ethylene streams, preventing polymerization and operational failures common with molecular sieves.

A polymer-based adhesive composition with controlled molecular weight distribution and low-molecular-weight content.

Integrated flow deodorization converts malodorous sulfides to harmless sulfones, eliminating costly separate treatment equipment.

Selective adsorption removes azeotropic impurities from fluoroalkenes, achieving purity below 1 ppm without polymerization.

Metal oxides remove sulfur by-products from liquid organic compounds, eliminating odor while maintaining process simplicity.

Recycled cool syngas in a slurry bubble reactor removes exothermic heat, preventing catalyst deactivation and by-product formation.

Mechanical blending extracts raw cannabinoids from dried cannabis into food-grade oil without thermal decarboxylation, maintaining therapeutic profiles.