Effect of bioflocculation on fouling-related biofoulants in a membrane bioreactor during saline wastewater treatments

被引：21
|
作者：
Tan, Songwen [1 ]
Cui, Chunzhi [2 ]
Chen, Xuncai [3 ]
Li, Weiguo [1 ]
机构：
[1] Harbin Inst Technol Weihai, Dept Environm Engn, Weihai 264209, Peoples R China
[2] Yanbian Univ, Dept Chem, Yanji 133002, Peoples R China
[3] Univ Sydney, Sch Chem & Biomol Engn, Sydney, NSW 2006, Australia
来源：
BIORESOURCE TECHNOLOGY | 2017年 / 224卷
关键词：
Bioflocculation; Membrane fouling; Extracellular polymeric substances; Soluble microbial products; Saline wastewater treatment; POLYMERIC SUBSTANCES EPS; ACTIVATED-SLUDGE SYSTEM; MICROBIAL COMMUNITY; BIOMASS CHARACTERISTICS; ORGANIC-MATTER; MBR; PERFORMANCE; REDUCTION; FILTERABILITY; FLOCCULATION;
D O I：
10.1016/j.biortech.2016.10.066
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A membrane bioreactor (MBR) was operated in two modes; with and without the inoculation of marine Arthrobacter cells, to investigate the effect of bioflocculation on membrane biofouling during saline wastewater treatments. The MBR-Arthrobacter system showed a higher resistance to membrane fouling than the normal MBR system. Lower concentrations of the fouling-related components and higher removal efficiencies of COD and NH3-N were observed in the MBR-Arthrobacter system. The bioflocculation of Arthrobacter preferred to settle down the humic acid-like, fulvic acid-like and aromatic proteins components (larger biomolecules) rather than the soluble microbial by-product-like components (smaller biomolecules). (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：285 / 291
页数：7
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