The development of a reverse anammox sequencing partial nitrification process for simultaneous nitrogen and COD removal from wastewater

被引：22
|
作者：
Xu, Xiaochen [1 ]
Xue, Yuan [2 ]
Wang, Dong [1 ]
Wang, Guowen [3 ]
Yang, Fenglin [1 ]
机构：
[1] Dalian Univ Technol, Sch Environm Sci & Technol, Minist Educ, Key Lab Ind Ecol & Environm Engn, Dalian 116024, Peoples R China
[2] Beijing Water Business Doctor Co Ltd, Beijing 100875, Peoples R China
[3] Dalian Polytech Univ, Sch Light Ind & Chem Engn, Dalian 116034, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2014年 / 155卷
关键词：
Simultaneous nitrogen and COD removal; Anammox; Partial nitrification; MBR; ANAEROBIC AMMONIUM OXIDATION; DENITRIFICATION; BACTERIA; SYSTEM; COMMUNITIES; OPERATION; NITRITE; REACTOR;
D O I：
10.1016/j.biortech.2013.12.111
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
In order to achieve simultaneous removal of nitrogenous and organic pollutants, a novel reverse anammox-partial nitrification nitrogen removal process was developed. During steady operation, the maximum nitrogen and COD (chemical oxygen demand) removal efficiencies were over 90%, with influent NH4+-N and COD concentrations of 300 and 100 mg L-1. The optimum recycle ratio of Membrane bioreactor (MBR for partial nitrification) and fixed bed reactor (anammox) for this process was recommended as 3 due to increasingly larger recycle ratio caused slight increase in TN (total nitrogen) removal efficiency. Additionally, the steady nitrogen removal rate was obtained at 0.92-1.03 kg N m(-3) day(-1). Considering its great potential in nitrogen removal, this reverse process will be revealing for the study of anammox technique. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：427 / 431
页数：5
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