Carboxylic Acid Nitrile Purification/Separation TRIZ Cases
- Acetonitrile Separation Using Dehydration and Extraction Columns
Sequential dehydration, distillation, and extraction remove water, lights, and acrylonitrile to produce higher-purity acetonitrile.
- Tau-Fluvalinate Purification With Pre-Distillation Acid Neutralization
Timely MgO or CaO neutralization before distillation prevents HCl-driven reactor corrosion while delivering purified Tau-fluvalinate.
- Citalopram Intermediate Purification by Dithionite Washing
Aqueous dithionite washing removes aldehyde impurities from a key citalopram intermediate, delivering high purity and yield in scalable production.