城市生活垃圾生物转化乙醇初探

城市生活垃圾生物转化乙醇初探

马会强¹，张兰英¹，刘娜¹，刘虹²，李爽¹，赵喆¹

1.吉林大学环境与资源学院，长春 130026;2.吉林化工学院环境与生物工程学院,吉林省吉林市 132022

收稿日期:2006-11-13 修回日期:1900-01-01 出版日期:2007-09-26 发布日期:2007-09-26
通讯作者: 马会强

Preliminary Discussion on Bioconversion of Municipal Refuse to Ethanol

¹, ZHANG Lan-ying¹,LIU Na¹,LIU Hong²,LI Shuang¹,ZHAO Zhe¹

1.College of Environment and Resources, Jilin University, Changchun 130026, China;2.School of Environmental and Biological Engineering,Jilin Institute of Chemical Technology,Jilin,Jilin 132022,China

Received:2006-11-13 Revised:1900-01-01 Online:2007-09-26 Published:2007-09-26
Contact: MA Hui-qiang

摘要/Abstract

摘要： 针对生活垃圾中的可利用成分，经酶水解后，利用筛选酵母菌对水解液进行乙醇发酵。通过正交实验得出最优水解条件为：pH值为5.5、加入纤维素酶8 mg、淀粉酶6 mg、水5 mL，65℃水解40 min。确定AQ菌作为最优菌种进行乙醇发酵实验。分别选取接种量、pH值、温度等因素进行单因子实验，讨论其对乙醇产量的影响。条件实验中，每克干生活垃圾最大产乙醇量为148.37 mg。

关键词: 生活垃圾, 水解, 乙醇发酵, 乙醇

Abstract: As to the available components in the municipal refuse, the ethanol is produced by choosing microzyme with the refuse liquid hydrolyzed by enzyme. Through the orthogonal experiments, the optimum hydrolysis conditions are acquired as follows: pH is 5.5, 8 mg of cellulosic enzyme, 6 mg of amylase, 5 mL of water, 65℃ and the hydrolyzing time duration of 40 minutes. The fermenting experiments are carried out using microzyme named AQ selected as the best bacterium, and the effects of output are discussed by choosing inoculation, pH values and temperatures as the affecting factors. The experimental results show that the maximum output of ethanol is 148.37 mg per gram dry municipal refuse.

Key words: municipal refuse, hydrolysis, ethanol fermentation, ethanol

中图分类号:

X705

马会强，张兰英，刘娜，刘虹，李爽，赵喆. 城市生活垃圾生物转化乙醇初探[J]. J4, 2007, 37(5): 993-0997.

, ZHANG Lan-ying,LIU Na,LIU Hong,LI Shuang,ZHAO Zhe. Preliminary Discussion on Bioconversion of Municipal Refuse to Ethanol[J]. J4, 2007, 37(5): 993-0997.

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