Investigation of Nitrous Oxide Production and Reduction with Different Carbon Sources by Using a Hybrid System for Simultaneous Nutrients Removal

被引：0
|
作者：
Lo, Ingwei W. [1 ]
Lo, Kwang, V [2 ]
Mavinic, Don S. [2 ]
Shiskowski, Dean [3 ]
Ramey, William [4 ]
机构：
[1] Everyoung Environm Engn LtD, 7F,380 Changchun Rd, Taipei, Taiwan
[2] Univ British Columbia, Dept Civil Engn, Vancouver, BC V6T 1Z4, Canada
[3] Associated Engn Ltd, Burnaby, BC V5G 4M5, Canada
[4] Univ British Columbia, Dept Microbiol & Immunol, Vancouver, BC V6T 1Z4, Canada
来源：
PROGRESS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY, VOL III: PROCEEDINGS OF THE 2011 INTERNATIONAL SYMPOSIUM ON ENVIRONMENTAL SCIENCE AND TECHNOLOGY | 2011年
关键词：
nitrous oxide; external carbon; stored carbon; PHA; glycogen; SNDPR; WATER TREATMENT SYSTEM; PHOSPHORUS REMOVAL; NITRIC-OXIDE; SIMULTANEOUS NITRIFICATION; ACTIVATED-SLUDGE; AEROBIC-PHASE; DENITRIFICATION; SCALE; EMISSIONS;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The focus of this study was to investigate the mechanism of a greenhouse gas nitrous oxide (N2O) by using hybrid system in a bench scale sequencing-batch reactor (SBR) for simultaneous nitrification, denitrification and phosphorus removal (SNDPR). Different level of N2O emission can be identified by the difference of N2O production rate and N2O reduction rate, which caused by different types of carbon source and oxygen state. In this research, acetate and lactose were used as carbon substrates, and Poly-beta-hydroxyalkanoate (PHA) and glycogen were dominant store carbons in the cells. When the stored carbon PHA existed under aerobic condition, the relatively high N2O production rate and relatively low N2O reduction rate lead to N2O accumulation; thus caused the highest N2O emission from the system.
引用
收藏
页码：370 / 378
页数：9
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