Performance determination of a novel dynamic membrane reactor for slightly contaminated surface water treatment

被引：6
|
作者：
Yu, Zhenxun [1 ]
Wang, Kan [1 ]
Wang, Huihui [2 ]
Zheng, Qihong [1 ]
Chen, Junrui [1 ]
机构：
[1] Ningbo Univ, Fac Architecture Civil Engn & Environm, Ningbo 315211, Zhejiang, Peoples R China
[2] Jiaxing Univ, Coll Civil Engn & Architecture, Jiaxing 314001, Zhejiang, Peoples R China
来源：
DESALINATION AND WATER TREATMENT | 2016年 / 57卷 / 29期
关键词：
Bio-diatomite dynamic membrane reactor; Dissolved organic matters; Drinking water treatment; Membrane fouling; Slightly contaminated surface water; NATURAL ORGANIC-MATTER; CHLORINATION BY-PRODUCTS; WASTE-WATER; BIOREACTOR; FILTRATION; REMOVAL; MECHANISMS; ADSORPTION; REJECTION; KINETICS;
D O I：
10.1080/19443994.2015.1028459
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A novel lab-scale bio-diatomite dynamic membrane reactor (BDDMR) using a module made of stainless steel mesh with an equivalent aperture of 80m was proposed to treat the slightly contaminated surface water. This work presents complete information on the impurities removal performance and mechanisms involved in this process. The BDDMR was very effective at reducing particle number and removing turbidity, chemical oxygen demand (CODMn), dissolved organic carbon, UV absorbance at 254nm (UV254), NH3-N and trihalomethane formation potential with a hydraulic retention time of 4h. The filtration resistance of each of the selected fluxes was investigated, which indicated that the resistance of high flux increased faster than that of lower flux. Three individual effects responsible for removing pollutants, such as microbial biodegradation, bio-diatomite adsorption and bio-diatomite dynamic membrane were determined. Furthermore, dissolved organic matter fractionation and molecular weight distribution were applied to reveal the pollutant removal mechanisms of the BDDMR.
引用
收藏
页码：13440 / 13452
页数：13
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