Studies for the Purification of Isopropyl Alcohol. Part I. Evaporation, Distillation, Absorption, and Analytical Studies on Raipa (Recycle Azeotropic Isopropyl Alcohol)

摘要

The report concerns studies conducted to define an economical sequence of processes for recovering and purifying azeotropic isopropyl alcohol (AIPA) extraction solvent. The rapid development of this system plays a critical role in the program to develop a commercially attractive Fish Protein Concentrate process. The broad objectives of the experimental study were: To conduct analytical studies to define the nature of the contaminants in recycle azeotropic isopropyl alcohol (RAIPA) and to assist processing studies; and To define the suitability of a low-cost RAIPA purification scheme, initially visualized as consisting of evaporation, distillation and, perhaps, adsorption processing steps. In addition, the initial work scope of the contract was expanded to include a number of brief economic analyses that were required to define the direction of the processing studies. Significant progress was made in each of these areas. (Author)