Oxygen-Containing Compound Preparation TRIZ Cases

OCM-based methane conversion is integrated with separation and ethylene-to-liquids steps to raise hydrocarbon yield with lower energy use.

An integrated OCM-ETL process converts methane into ethylene, gasoline, diesel, and aromatics with lower energy use through recycling and separations.

Alkali compounds in alcohol- or ketone-based solvents depolymerize PET at 75°C or less, avoiding pressurized equipment and peroxide-prone ethers.

DMSO and HBr break lignin under mild conditions to improve selectivity, avoid toxic by-products, and produce vanillin-rich aromatics.

Quinone methide analog precursors amplify IHC and ISH signals with lower background, enabling multiplex target detection in tissue samples.

Supported Pd/ZrP catalysis depolymerizes lignin into monomers with high oil yield while limiting char formation and preserving catalyst recyclability.

Halogen-substituted compounds adsorb before ALD precursors to suppress side reactions, limit halide byproducts, and improve step coverage.

A metal oxygen-containing complex pre-oxidizes impurities before hydrogenation, producing isopropanol with organic impurities below 5ppm.

In situ gas phase promoter treatment extends rhenium catalyst lifetime and reduces carbon dioxide byproduct formation without requiring production shutdowns.

Carboxylate-functionalized supports bind manganese complexes to boost turnover numbers and product selectivity in alkane oxidation.

Hydroxyapatite catalyst compositions convert 1-butanol to 2-ethylhexanol, eliminating base addition and extending catalytic lifetime.

Co-gasifying biomass with coal generates syngas and cresylic acid from processed feedstock.

Wittig and Horner-Emmons reactions produce 6,8,10-undecatrien-3-ol and -4-ol, delivering natural woody green and fruity notes that conventional substances lack.

Controlled pore diameter distribution in alpha-alumina carriers balances catalyst activity and selectivity, preventing combustion reactions.

Bulk multi-metallic catalyst converts renewable feedstocks into fatty alcohols, esters, and normal paraffins under optimized hydroprocessing conditions.

Steam supplies heat to decompose metal carbonyls, avoiding large catalyst quantities while monitoring carbon monoxide for safe discharge.

Liquid phase dimethyl ether extracts biomolecules from dilute aqueous solutions, replacing energy-intensive distillation with a low-energy refrigerant circuit.

Segmented reactive distillation columns with specific chimney trays stabilize continuous high-purity diol production.

Polybranched surfactants derived from farnesene improve cold water cleaning performance while maintaining high biodegradability.

Hydrothermally stable perovskite catalyst converts sugars into oxidized compounds without additional bases.

Chiral catalysts enable direct asymmetric synthesis of optically active menthol, bypassing costly resolution steps required by racemic processes.

A wash column captures absorption solvent from light gases, preventing economic loss and reactor interference in butadiene production.

Membranes enrich oxygen content for direct methane partial oxidation, reducing energy consumption and equipment complexity.

Acidifying fractionated lignocellulosic biomass prevents recondensation of soluble oligomers into insoluble forms, maximizing fermentable sugar yield.

Steam reforming and water-gas shift reactions convert Fischer-Tropsch off-gas into synthesis gas using iron, copper, zinc, and nickel catalysts.

Acidic ionic liquids catalyze lignin depolymerization into phenolic monomers, enabling catalyst recovery to address environmental harm and energy consumption.

Pressure swing adsorption dehydrates wet methanol streams, reducing energy costs and operational complexity compared to traditional distillation.

Segmented water processing extracts lignin first, then converts carbohydrates to reduce organic solvent costs.

Transesterification of cyclic carbonate with controlled cyclic ether content yields high purity dialkyl carbonate and diol products.

Segmenting the reaction into distinct stages manages heat and contaminants, preventing catalyst deactivation while increasing hydrocarbon yields.

Adding specific bases during glycerol hydrogenolysis suppresses unwanted polyols, simplifying separation and reducing distillation energy.

Thermally decomposed hydrotalcite catalysts resolve low conversion and selectivity trade-offs by optimizing temperature to produce 1-butanol.

Fe2(dobdc) metal-organic framework selectively adsorbs oxygen through reversible electron transfer reactions at its coordinatively unsaturated iron centers.

Reduces oxidized coenzyme Q10 using ascorbic acid in a water-containing organic solvent at pH 5 or below.

Metal fuel gasification generates hydrogen to produce substitute natural gas while reducing coal consumption and carbon dioxide emissions.

A hydroxyl functionalized ionic liquid composite catalyst drives carbonylation and hydrolysis reactions to synthesize ethylene glycol.

Thermally decomposed hydrotalcite and metal carbonate catalysts improve ethanol conversion to 1-butanol by optimizing selectivity and reaction rates.

Brønsted acid ionic liquids catalyze ring-opening hydroxylation of epoxidized fatty acid esters to produce bio-polyols.

A unique catalyst system converts synthesis gas directly into high cetane diesel fuel without requiring complex downstream hydrocracking units.

Vacuum vaporization creates a butanol-enriched stream absorbed by an organic liquid, reducing cooling costs.

Alkali-promoted trimetallic catalysts on multi-walled carbon nanotubes enable higher alcohol synthesis with enhanced metal dispersion.

Merging gasification with autothermal reforming maintains near nameplate liquid fuel capacity when solid feedstock units face reduced operation.

Crystallizing isopulegol from a melt overcomes solid solution formation to yield high purity n-isopulegol for menthol production.

Non-polar solvent washing extracts sulfurous compounds from raw methanol, eliminating costly chemical reagents and energy-intensive distillation steps.

A cobalt-containing hydrocarbon synthesis catalyst preparation process uses calcination followed by direct reduction to activate the precursor material.

Multistage fractionation separates lignocellulosic biomass fractions using hot compressed water and controlled hydrolysis conditions.

Silver catalyst with rhenium dopant on fluoride-mineralized alumina maintains high olefin oxide selectivity.

Solvent-deficient coprecipitation simplifies preparation while delivering high activity, selectivity, and mechanical stability.

A solventless process converts furan-2,5-dicarboxylate to dialkyl terephthalate using a Lewis acidic clay catalyst and ethylene.

Two-stage hydrogenation converts biomass-derived isosorbide into tetrahydrofuran-2,5-dimethanol and 1,6-hexanediol using optimized catalysts.