PROCESS FOR PRODUCTION OF ORGANIC SOLVENTS

摘要

The present invention relates to a process for production of organic solvents, particularly acetone, butanol, ethanol using the anaerobic fermentation by butanol, acetone, and ethanol- producing bacteria. The process comprises saccharifying the pre-milled plant raw material with enzymes which degrade or convert the material into soluble sugars; fermenting the sugars by butanol, acetone, ethanol producing bacteria at a nutrient medium and recovering of organic solvents from the fermentation broth, the process is carried out in one stage, moreover organic solvents are recovered from the fermentation broth by diffuse evaporation through a liquid membrane by applying vacuum or gas.