Membrane contactor/separator for an advanced ozone membrane reactor for treatment of recalcitrant organic pollutants in water

被引：19
作者：
Chan, Wai Kit [1 ]
Jouet, Justine [1 ]
Heng, Samuel [1 ]
Yeung, King Lun [1 ]
Schrotter, Jean-Christophe [2 ]
机构：
[1] Hong Kong Univ Sci & Technol, Dept Chem & Biomol Engn, Kowloon, Hong Kong, Peoples R China
[2] Water Res Ctr Veolia, F-78603 Maisons Laffitte, France
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2012年 / 189卷
关键词：
Water and wastewater treatment; Endocrine disrupting compounds; Phthalate; Membrane preparation and separation; Zeolite; WASTE-WATER; DRINKING-WATER; SYNTHESIS PARAMETERS; MFI MEMBRANES; ZEOLITE; REMOVAL; PHARMACEUTICALS; CONTAMINANTS; SEPARATION; OXIDATION;
D O I：
10.1016/j.jssc.2012.01.023
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
An advanced ozone membrane reactor that synergistically combines membrane distributor for ozone gas, membrane contactor for pollutant adsorption and reaction, and membrane separator for clean water production is described. The membrane reactor represents an order of magnitude improvement over traditional semibatch reactor design and is capable of complete conversion of recalcitrant endocrine disrupting compounds (EDCs) in water at less than three minutes residence time. Coating the membrane contactor with alumina and hydrotalcite (Mg/Al=3) adsorbs and traps the organics in the reaction zone resulting in 30% increase of total organic carbon (TOC) removal. Large surface area coating that diffuses surface charges from adsorbed polar organic molecules is preferred as it reduces membrane polarization that is detrimental to separation. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码：96 / 100
页数：5
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