【Objective】The feasibility of producing acetone-butanol-ethanol(ABE)from sweet potato as raw material was studied.【Methods】ABE fermentation was carried out with Clostridium acetobutylicumJ-3-3 which was isolated and identified in this study.The optimum fermentation process was determined by optimizing the fermentation medium and the fermentation conditions.Fermentation products were determined by gas chromatography internal standard method.【Results】The optimum medium composition:The initial concentration of...