期刊
CHEMOSPHERE
卷 140, 期 -, 页码 79-84出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2014.04.101
关键词
Anaerobic membrane bioreactor; Fixed-bed biofilm; Membrane fouling; Mesh filter; 2-Chlorophenol
资金
- Natural Science Foundation of China [51322802]
- Program for Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China
- Shanghai Tone Gao Tingyao Environmental Science and Technology Development Foundation (STGEF)
A novel energy-saving anaerobic hybrid membrane bioreactor (AnHMBR) with mesh filter, which takes advantage of anaerobic membrane bioreactor and fixed-bed biofilm reactor, is developed for low-strength 2-chlorophenol (2-CP)-contained wastewater treatment. In this system, the anaerobic membrane bioreactor is stuffed with granular activated carbon to construct an anaerobic hybrid fixed-bed biofilm membrane bioreactor. The effluent turbidity from the AnHMER system was low during most of the operation period, and the chemical oxygen demand and 2-CP removal efficiencies averaged 82.3% and 92.6%, respectively. Furthermore, a low membrane fouling rate was achieved during the operation. During the AnHMBR operation, the only energy consumption was for feed pump. And a low energy demand of 0.0045-0.0063 kWh m(-3) was estimated under the current operation conditions. All these results demonstrated that this novel AnHMBR is a sustainable technology for treating 2-CP-contained wastewater. (C) 2014 Elsevier Ltd. All rights reserved.
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