酸碱预处理对芦蒿秸秆厌氧发酵的影响

doi:10.3969/j.issn.0438-1157.2014.05.046

化工学报

酸碱预处理对芦蒿秸秆厌氧发酵的影响

谢欣欣^1,2, 周俊^1,2, 吴美容^1,2, 雍晓雨^1,2, 王舒雅^1,2, 郑涛^1,2

1 南京工业大学生物与制药工程学院, 江苏南京 211816;
2 南京工业大学生物能源研究所, 江苏南京 211816

收稿日期:2014-01-02 修回日期:2014-03-17 出版日期:2014-05-05 发布日期:2014-05-05
通讯作者: 郑涛
基金资助:
国家重点基础研究发展计划项目（2013CB733504）；国家自然科学基金项目（21307058）；江苏省青年科学基金项目（BK20130931）；江苏农业自主创新项目（CX（13）3045）。

Effect of acid and alkali pretreatment on anaerobic fermentation of artemisia selengensis straw

XIE Xinxin^1,2, ZHOU Jun^1,2, WU Meirong^1,2, YONG Xiaoyu^1,2, WANG Shuya^1,2, ZHENG Tao^1,2

1 School of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, Jiangsu, China;
2 Bioenergy Research Institute, Nanjing Tech University, Nanjing 211816, Jiangsu, China

Received:2014-01-02 Revised:2014-03-17 Online:2014-05-05 Published:2014-05-05
Supported by:
supported by the National Basic Research Program of China(2013CB733504), the National Natural Science Foundation of China (21307058), Jiangsu Province Science Foundation for Youths (BK20130931) and Jiangsu Agricultural Independent Innovation Project(CX(13)3045).

摘要/Abstract

摘要： 通过对芦蒿秸秆进行酸、碱预处理和厌氧发酵制沼气实验，比较不同的预处理方法对芦蒿秸秆产气性能的影响。结果表明，与对照组相比，碱处理能较好地改善秸秆的产气性能，其中2%NaOH处理效果最好，发酵初期VFA含量高达4882.34 mg·L^-1，比对照组提高了705.21%，单位TS固体产气量为288.42 ml·g^-1，较对照组提高了17.08%，甲烷含量最高可达61.14%。

关键词: 芦蒿秸秆, 酸预处理, 碱预处理, 厌氧发酵, 甲烷

Abstract: In order to compare the effects of different pretreatment methods on gas production performance of artemisia selengensis straw, the straw was pretreated with acid or alkali of different concentrations before anaerobic digestion. Alkali pretreatment could effectively improve the performance of biogas production comparing with the control group, and the 2% NaOH pretreatment was the best. VFA concentration could be up to 4882.34 mg·L^-1 at the early stage of anaerobic fermentation in the alkali pretreatment system, which was 705.21% higher than the control group. The gas yield of unit total solid (TS) was 288.42 ml·g^-1 in the alkali pretreatment system, which was 17.08% higher than control group, and methane content reached 61.14%.

Key words: artemisia selengensis straw, acid pretreatment, alkali pretreatment, anaerobic fermentation, Methane

中图分类号:

X712

谢欣欣, 周俊, 吴美容, 雍晓雨, 王舒雅, 郑涛. 酸碱预处理对芦蒿秸秆厌氧发酵的影响[J]. 化工学报, DOI: 10.3969/j.issn.0438-1157.2014.05.046.

XIE Xinxin, ZHOU Jun, WU Meirong, YONG Xiaoyu, WANG Shuya, ZHENG Tao. Effect of acid and alkali pretreatment on anaerobic fermentation of artemisia selengensis straw[J]. CIESC Journal, DOI: 10.3969/j.issn.0438-1157.2014.05.046.

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酸碱预处理对芦蒿秸秆厌氧发酵的影响

Effect of acid and alkali pretreatment on anaerobic fermentation of artemisia selengensis straw

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