Zinc Halides TRIZ Cases
- Spent Selenium Filter Mass Recycling Process
Hydrogen peroxide leaching extracts unspent selenium as selenious acid while aqua regia dissolves mercury selenide for safe disposal.
- Polyamine Additive for Nitrile Extraction Phase Separation
Bis-hexamethylene triamine complexes with Lewis acids to prevent hydrolysis and cyclization, reducing rag layers during adiponitrile recovery.