Distillation Purification/Separation TRIZ Cases
- Hydrocarbon Stream Purification Using Amine Salt Distillation
Distillation with amine salts separates amines and isomers from hydrocarbon streams, reducing investment costs for acid-resistant materials.
- Isobutylene Purification via Solvent Absorption and Distillation
Solvent absorption separates isobutylene from unreacted isobutanol, resolving the trade-off between high purity and process complexity.
- Membrane Separator for Aromatic Hydrocarbon Purification
A membrane separator purifies lean-solvent streams by selectively permeating polar solvents over heavy components.
- Two-Stage Distillation for Olefin Polymerization Stream Recycling
A two-stage distillation system recovers hydrocarbon diluent and olefin monomer streams from polymerization feed.
- Sub-atmospheric Extractive Distillation for Ethylbenzene Separation
Operating at 50-500 mbar, the process reduces energy consumption and reflux ratios while improving separation efficiency.
- Diisobutene Distillation for Hydroformylation Reactivity
Pre-distillation separates internal olefins to resolve catalyst stability versus reactivity trade-offs in hydroformylation.
- Oligomerization Distillation for Olefin Purity
Final distillation column removes oligomers below 100 ppm, resolving the trade-off between separation precision and equipment complexity.
- Nitric Oxide Vapor Injection for Butadiene Polymerization Control
Nitric oxide injection into the distillation headspace terminates radical chains to prevent popcorn polymer formation and equipment damage.
- Renewable Isododecane Purification via Oleum Treatment
Oleum treatment converts impurities in renewable isododecane to water-soluble forms, eliminating odors and coloration without complex hydrogenation.