摘要：【中文】本发明涉及一种利用木质纤维素发酵生产乙醇的方法。该方法具体工艺过程为:以木质纤维素为原料，在底物浓度为20％，加入稀酸溶液，室温下放置12h。然后置于121℃高温下处理2h得到水解液，调节水解液pH，加入纤维素酶和外源性的β‑葡萄糖苷酶进行酶解，采用渗透汽化装置对酶解液处理0.5h，然后进行酵母发酵。 【EN】The invention relates to a method for producing ethanol by lignocellulose fermentation, which comprises the following specific process steps of taking lignocellulose as a raw material, adding a dilute acid solution into the lignocellulose with the concentration of 20% of a substrate, standing the mixture at room temperature for 12 hours, then treating the mixture at the high temperature of 121 ℃ for 2 hours to obtain a hydrolysate, adjusting the pH value of the hydrolysate, adding cellulase and exogenous β -glucosidase for enzymolysis, treating the hydrolysate for 0.5 hour by adopting a pervaporation device, and then carrying out yeast fermentation.