Fast start-up, performance and microbial community in a pilot-scale anammox reactor seeded with exotic mature granules

被引：81
|
作者：
Ni, Shou-Qing [1 ,2 ]
Gao, Bao-Yu [2 ]
Wang, Chih-Cheng [3 ]
Lin, Jih-Gaw [3 ]
Sung, Shihwu [4 ]
机构：
[1] Shandong Univ, Sch Chem & Chem Engn, Jinan 250100, Peoples R China
[2] Shandong Univ, Sch Environm Sci & Engn, Jinan 250100, Peoples R China
[3] Natl Chiao Tung Univ, Inst Environm Engn, Hsinchu 30010, Taiwan
[4] Iowa State Univ, Dept Civil Construct & Environm Engn, Ames, IA 50011 USA
来源：
BIORESOURCE TECHNOLOGY | 2011年 / 102卷 / 03期
关键词：
Anammox granule; Exotic sludge; Kinetics; Molecular technique; Start-up; UPFLOW ANAEROBIC SLUDGE; AMMONIUM OXIDATION; BLANKET REACTOR; BACTERIA; REMOVAL; ENRICHMENT; BIOFILM;
D O I：
10.1016/j.biortech.2010.11.006
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The possibility to introduce the exotic anammox sludge to seed the pilot-scale anammox granular reactor and its fast start-up for treating high nitrogen concentration wastewater were evaluated in this study. The reactor was started up successfully in two weeks; in addition, high nitrogen removal was achieved for a long period. Stoichiometry molar ratios of nitrite conversion and nitrate production to ammonium conversion were calculated to be 1.26 +/- 0.02:1 and 0.26 +/- 0.01:1, respectively. The Stover-Kincannon model which was first applied in granular anammox process indicated that the granular anammox reactor possessed high nitrogen removal potential of 27.8 kg/m(3)/d. The anammox granules in the reactor were characterized via microscope observation and fluorescence in situ hybridization technique. Moreover, the microbial community of the granules was quantified to be composed of 91.4-92.4% anammox bacteria by real-time polymerase chain reaction. This pilot study can elucidate further information for industrial granular anammox application. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2448 / 2454
页数：7
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