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

页码：285 / 291

页数：7

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