| 初始pH对木薯酒精废水高温厌氧产氢的影响 |
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| 引用本文： | 罗刚,谢丽,邹中海,周琪.初始pH对木薯酒精废水高温厌氧产氢的影响[J].同济大学学报(自然科学版),2010,38(7):1036-1040. |
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| 作者姓名： | 罗刚 谢丽 邹中海 周琪 |
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| 作者单位： | 同济大学,污染控制与资源化研究国家重点实验室,上海,200092;同济大学,联合国环境规划署-环境与可持续发展学院,上海,200092 |
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| 基金项目： | 上海市科委国际合作资助项目，同济-拜耳可持续发展基金 |
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| 摘 要： | 通过间歇实验,考察了初始pH(4.0～10.0)对木薯酒精废水高温(60℃)厌氧产氢的影响.结果表明,初始pH 6.0为高温厌氧产氢的最佳值,累积产氢量为383 mL,单位基质产氢量为70 mL·g-1.挥发性有机酸(VFA)和乙醇的总量随着pH的升高而升高,乙酸的含量越来越大,但丁酸始终占优势.接种污泥在90℃的水浴中加热1 h不能有效地抑制产甲烷菌和同型产乙酸菌的活性,当初始pH 在6.0～10.0时,发现不同程度的氢消耗,并且在初始pH 9.0和10.0时,发酵末期均检测到甲烷.发酵过程中对底物变化的跟踪分析表明,氢气主要在丁酸生成过程中产生,与乙酸关系不大.
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| 关 键 词： | 初始pH 木薯酒精废水 高温厌氧产氢 |
| 收稿时间： | 4/14/2009 3:01:21 PM |
| 修稿时间： | 5/17/2010 3:23:46 AM |
Effect of Initial pH on Thermophilic Fermentative Hydrogen Production From Cassava Ethanol Wastewater |
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| LUO Gang,XIE Li,ZOU Zhonghai and ZHOU Qi.Effect of Initial pH on Thermophilic Fermentative Hydrogen Production From Cassava Ethanol Wastewater[J].Journal of Tongji University(Natural Science),2010,38(7):1036-1040. |
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| Authors: | LUO Gang XIE Li ZOU Zhonghai and ZHOU Qi |
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| Institution: | State Key Laboratory of Pollution Control and Resources Reuse,Tongji University,Shanghai 200092,China; UNEP-Institute of Environment for Sustainable Development,Tongji University,Shanghai 200092, China;State Key Laboratory of Pollution Control and Resources Reuse,Tongji University,Shanghai 200092,China; UNEP-Institute of Environment for Sustainable Development,Tongji University,Shanghai 200092, China;State Key Laboratory of Pollution Control and Resources Reuse,Tongji University,Shanghai 200092,China; UNEP-Institute of Environment for Sustainable Development,Tongji University,Shanghai 200092, China;State Key Laboratory of Pollution Control and Resources Reuse,Tongji University,Shanghai 200092,China; UNEP-Institute of Environment for Sustainable Development,Tongji University,Shanghai 200092, China |
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| Abstract: | |
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| Keywords: | initial pH cassava ethanol wastewater fermentative hydrogen production |
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