Hydrogen-driven denitrification of wastewater in an anaerobic submerged membrane bioreactor: potential for water reuse

被引：4
|
作者：
Rezania, B. [1 ]
Oleszkiewicz, J. A.
Cicek, N.
机构：
[1] Univ Manitoba, Dept Civil Engn, Winnipeg, MB R3T 5V6, Canada
[2] Univ Manitoba, Dept Biosyst Engn, Winnipeg, MB R3T 5V6, Canada
来源：
WATER SCIENCE AND TECHNOLOGY | 2006年 / 54卷 / 11-12期
关键词：
groundwater; hydrogenotrophic denitrification; membrane gas diffuser; nitrate; reuse;
D O I：
10.2166/wst.2006.844
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An anaerobic submerged membrane bioreactor was coupled with a novel hydrogen delivery system for hydrogenotrophic denitrification of municipal final effluent containing nitrate. The biological treatment unit and hydrogen delivery unit were proven successful in removing nitrate and delivering hydrogen, respectively. Complete hydrogen transfer resulted in reducing nitrate below detectable levels at a loading of 0.14 kg N m(-3) d(-1). The produced water met all drinking water guidelines except for color and organic carbon. However, the organic carbon was removed by 72% mostly by membrane rejection. To reduce the organic carbon and color of the effluent, post treatment of the produced water is required.
引用
收藏
页码：207 / 214
页数：8
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