Organic Compound Preparation TRIZ Cases
- Neramexane Synthesis via Reflux and Catalyst
Refluxing the reaction mixture with trimethylsilyl iodide catalyst simplifies workup and achieves nearly quantitative yield.
- Nitrobenzene Exhaust Gas Benzene Recovery Absorption
Counter-current absorption with nitrobenzene reduces benzene content below 50 ppm in exhaust gases, preventing environmental pollution and material loss.
- N-oxyl and Manganese Inhibitor for Acrylic Acid Fouling
A composite inhibitor mixture stabilizes acrylic acid against vinyl polymerization using radical scavenging mechanisms.
- Dicyanocyclohexane Production via High-Boiling Solvent Cyanation
High-boiling solvents enable ammonia cyanation of cyclohexanedicarboxylic acid at elevated temperatures, suppressing trimer impurities and boosting yield.
- Dual Catalyst System for 1-Octanol Yield
Ga and Cu catalysts boost 1-octanol yield while lowering noble metal usage.
- Synthesizing Diacids from Fatty Acids via Metathesis
Metathesis converts monounsaturated fatty acids into saturated diacids, overcoming the C16 chain length limit of bacterial fermentation.
- Divided-Wall Distillation for Alkanol Separation
Segmented columns exchange heat between streams to lower energy consumption while maintaining high alkanol purity.
- Cyclic Taurine Production from Alkali Isethionate
A cyclic process converts alkali isethionate into taurine through controlled ammonolysis and continuous mother liquor recycling.
- Catalyst for Methyl Methacrylate Production via Aldol Condensation
A catalyst with metal elements on a silanol carrier enhances methyl methacrylate yield.
- Glycerol Hydrogenation via Nickel-Tungsten Catalyst
Nickel-tungsten catalysts convert low-value biodiesel byproducts into high-demand fuels and chemicals, resolving economic bottlenecks in glycerol processing.
- N-Alkylacrylamide Synthesis via Anhydride Inversion
Reversing the addition sequence prevents heat-induced discoloration and lump formation during synthesis.
- Acrylic Acid Purification via Aldehyde Treatment
Aldehyde treatment agents eliminate residual impurities from acrylic acid, reducing energy consumption and process complexity.
- Bisphenol A Markers for Fuel Digital Coding
Segment bisphenol A markers with varied substituents to boost fuel coding capacity without increasing system complexity.
- Multi-Zone Nitrile Process Catalyst Stability
Segmented reaction zones and Lewis acid control prevent dinitrile buildup, preserving catalyst stability.
- Continuous Flow Zuclomiphene Synthesis for Isomer Purity
Continuous flow chemistry suppresses brominated impurities during zuclomiphene synthesis, achieving high Z-isomer purity without extensive purification cycles.
- Hydrated Mixed Oxide Catalyst for Levosandal Synthesis
Hydrated mixed oxide catalyst drives cross-aldol condensation and MPV reduction, eliminating neutralization steps to boost yield.