氨水浸泡稻草秸秆对纤维素酶解产糖的影响  

Study on Effect of Aqueous Ammonia Pretreatment on the Enzymatic Hydrolysis of Rice Straw to Produce Sugar

作　　者：孙宪迅[1,2] 孙宪猛 韩雪[1] 孙齐英[1,2] 

机构地区：[1]江汉大学生命科学学院,湖北武汉430056 [2]湖北省豆类(蔬菜)植物工程技术研究中心,湖北武汉430056 [3]湖北国有林场工作站,湖北武汉430056

出　　处：《化学与生物工程》2014年第3期57-59,62,共4页Chemistry & Bioengineering

基　　金：武汉市科技局资助项目(201051099415-05);湖北省豆类(蔬菜)植物工程技术研究中心项目(2012-04)

摘　　要：为了有效提高木质纤维素酶解糖化率,以稻草秸秆为研究对象,采用氨水预处理实验,考察稻草秸秆粉粒度、氨水质量分数、预处理时间、预处理温度、液固比对稻草秸秆酶解糖化的影响。结果表明:稻草秸秆经60目过筛后用14%氨水按液固比9∶1在50℃处理35h,糖化率达61.42%。In order to effectively improve enzymatic saccharification rate of cellulose,rice straw was pretreated by aqueous ammonia.The effects of size of rice straw powder,aqueous ammonia mass fraction,pretreatment time,pretreatment temperature and liquid-solid ratio on the enzymatic saccharification of rice straw were investigated.The results showed that：when the crushed rice straw of 60 mesh was treated at 50 ℃ in aqueous ammonia with liquid-solid ratio of 9 ∶ 1 for 35 h,the cellulose enzymatic saccharification rate reached 61.42％.

关 键 词：稻草秸秆 氨水预处理 酶解糖化 

分 类 号：TQ352.78[化学工程]