Method for purifying an alcohol from a fermentation broth using a falling film, a wiped film, a thin film or a short path evaporator

摘要

Method for purifying an alcohol from a fermentation broth comprising adding a heavy solvent, evaporating the alcohol to be purified, and mechanically drawing out of the crystallized salts by heavy solvent flow and scrapping on a falling film evaporator, a wiped film evaporator, a thin film evaporator or a short path evaporator.