化学需氧量
废水
化学
流出物
膜污染
膜生物反应器
生物反应器
结垢
制浆造纸工业
膜
色谱法
环境工程
环境科学
有机化学
生物化学
工程类
作者
Lixue Liu,Wenyu Liu,Liqiang Yu,Jian Dong,Fei Han,Dongxue Hu,Zhaobo Chen,Hui Ge,Bei Jiang,Hongcheng Wang,Yubo Cui,Wanjun Zhang,Xuejun Zou,Ying Zhang
标识
DOI:10.1016/j.biortech.2021.126608
摘要
Optimization in performance and membrane fouling of an electrochemical anaerobic membrane bioreactor (R1) for treating pesticide wastewater was investigated and compared with a conventional anaerobic membrane bioreactor (R2). The maximum COD removal efficiency of R2 was 80.1%, 80.0%, 67.4%, 61.1% with HRT of 96, 72, 48 and 24 h, which of R1 was enhanced to 84.7%, 84.3%, 82.0% and 66.3%. These results demonstrated that the optimum HRT of R1 was shortened to 48 h, which of R2 required 72 h. R1 reduced the contents of particulate and colloidal COD, and the fraction of COD converted to sludge was 5.0-8.2% lower than that of R2. The fouling rate was 0.99-1.44 kPa/d and reduced by 31.0%-38.5% compared with R2. Detoxification was enhanced by 7.8-47.7% with the assistance of bio-electrochemistry. Ultimately, ensuring similar performance, R1 achieved a 65.6% improvement in environmental benefit, a 26.3% and 38.9% reduction in unit capital and operating costs.
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