从乙酸的氢化获得的粗乙醇产物中回收乙醇。使用粗乙醇产物的分离和纯化方法以通过加入酸流来回收乙醇和水解缩醛杂质。US2013184500(A1) Ethanol was recovered from the crude ethanol product obtained from the hydrogenation of acetic acid. The process of isolation and purification of the caide ethanol product is used to recover ethanol and hydrolyze the acetal impurities by adding an acid stream. US2013184500 (A1)