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碱性亚硫酸盐耦合低压蒸汽预处理慈竹及其纤维素酶解转化

秦书百川 刘彦涛 卜令习 赵鹏翔 蒋建新

秦书百川, 刘彦涛, 卜令习, 赵鹏翔, 蒋建新. 碱性亚硫酸盐耦合低压蒸汽预处理慈竹及其纤维素酶解转化[J]. 北京林业大学学报, 2016, 38(7): 98-104. doi: 10.13332/j.1000-1522.20150456
引用本文: 秦书百川, 刘彦涛, 卜令习, 赵鹏翔, 蒋建新. 碱性亚硫酸盐耦合低压蒸汽预处理慈竹及其纤维素酶解转化[J]. 北京林业大学学报, 2016, 38(7): 98-104. doi: 10.13332/j.1000-1522.20150456
QIN Shu-bai-chuan, LIU Yan-tao, BU Ling-xi, ZHAO Peng-xiang, JIANG Jian-xin. Alkaline sulfite and low-pressure steam coupled pretreatment on Neosinocalamus affinis and its enzymatic hydrolysis.[J]. Journal of Beijing Forestry University, 2016, 38(7): 98-104. doi: 10.13332/j.1000-1522.20150456
Citation: QIN Shu-bai-chuan, LIU Yan-tao, BU Ling-xi, ZHAO Peng-xiang, JIANG Jian-xin. Alkaline sulfite and low-pressure steam coupled pretreatment on Neosinocalamus affinis and its enzymatic hydrolysis.[J]. Journal of Beijing Forestry University, 2016, 38(7): 98-104. doi: 10.13332/j.1000-1522.20150456

碱性亚硫酸盐耦合低压蒸汽预处理慈竹及其纤维素酶解转化

doi: 10.13332/j.1000-1522.20150456
基金项目: 

国家自然科学基金项目(31070510)、国家国际科技合作专项(2014DFG32550)、国网科技项目(SGECS56-2014)。

详细信息
    作者简介:

    秦书百川。主要研究方向:生物质能源及化学品。Email:bjfu_qsbc@163.com地址:100083北京市海淀区清华东路35号北京林业大学材料科学与技术学院。责任作者:蒋建新,教授,博士生导师。主要研究方向:林产化工及生物质能源。Email:jiangjx@bjfu.edu.cn地址:同上。

    秦书百川。主要研究方向:生物质能源及化学品。Email:bjfu_qsbc@163.com地址:100083北京市海淀区清华东路35号北京林业大学材料科学与技术学院。责任作者:蒋建新,教授,博士生导师。主要研究方向:林产化工及生物质能源。Email:jiangjx@bjfu.edu.cn地址:同上。

Alkaline sulfite and low-pressure steam coupled pretreatment on Neosinocalamus affinis and its enzymatic hydrolysis.

  • 摘要: 慈竹作为一种富含纤维素、分布广泛的草类资源,是生产纤维素燃料乙醇的潜在原料。本文采用碱性亚硫酸盐法与低压蒸汽爆破相结合对慈竹原料进行预处理,在保留碳水化合物的同时能够有效脱除大量木质素进而提升后续的纤维素酶水解效率。通过正交试验确定最优工艺条件为反应温度140 ℃、亚硫酸盐用量40%、氢氧化钠用量15%。水解试验中加入质量分数5%的最优工艺条件预处理慈竹原料72 h,纤维素酶解生成葡萄糖得率达到88.54%。在此基础上将碱性亚硫酸盐与低压蒸汽爆破预处理相耦合,有效简化了预处理工艺并降低成本,可实现慈竹原料“一步法”高效预处理,纤维素保留率为89.25%,葡萄糖得率达87.25%。

     

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出版历程
  • 收稿日期:  2015-12-20
  • 刊出日期:  2016-07-30

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