Treatment of methanol wastewater with two-stage and two-phase anaerobic process

被引:1
作者
韩洪军
马文成
机构
[1] SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology
关键词
D O I
暂无
中图分类号
X703.1 [技术方法];
学科分类号
083002 ;
摘要
The two-stage and two-phase anaerobic process (TSTP) composed of hydrolytic acidification reactor,first-order and second-order external circulation anaerobic reactors (EC) was taken to treat methanol wastewater. Test results show that TSTP process is quick start-up in 51 d, and the maximum VFA of hydrolytic acidification reactor effluent reaches 876 mg/L. Under the condition of volume loading of 6.56 kgCOD/m3·d, COD removal rate of the first-order EC reactor is about 85%, and under the condition of volume loading of 1.02 kgCOD/m3·d, COD removal rate of the second-order EC reactor is about 50%. When the inflow COD of TSTP process is between 7000-11000 mg/L, its effluent COD is lower than 600 mg/L. In the biological conversion process of methanol into methane,the production of acetic acids as an intermediate product can be ignored and the direct production of methane from methanol is predominant.
引用
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页码:65 / 69
页数:5
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