Simultaneous nitrification and denitrification coupled with phosphorus removal in an modified anoxic/oxic-membrane bioreactor (A/O-MBR)

被引：106

作者：

Fu, Zhimin ^{[1
]}

Yang, Fenglin ^{[1
]}

An, Yingyu ^{[1
]}

Xue, Yuan ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Environm & Biol Sci & Technol, MOE, Key Lab Ind Ecol & Environm Engn, Dalian 116024, Liaoning, Peoples R China

来源：

BIOCHEMICAL ENGINEERING JOURNAL | 2009年 / 43卷 / 02期

关键词：

Biological nitrogen removal; Biological assimilation; Phosphorus-accumulating organisms; Poly-beta-hydroxybutyrate; Membrane bioreactor; WASTE-WATER TREATMENT; SEQUENCING BATCH REACTOR; UPFLOW BED FILTER; NITROGEN REMOVAL; ACCUMULATING ORGANISMS; N-REMOVAL; CARBON; PERFORMANCE; RECYCLE; SYSTEM;

D O I：

10.1016/j.bej.2008.09.021

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

In this study, simultaneous carbon. nitrogen and phosphorus (PO43--P) removals using an anoxic/oxic-membrane bioreactor(A/O-MBR) system without any circulation was investigated. The total nitrogen(TN) removal efficiency was above 84.6%, and the average removal efficiencies of COD and PO43--P were 94.6 and 90.0%. respectively. Ammonium (NH4+-N) removal without nitrite (NO2--N) and nitrate (NO3--N) accumulation in the reactor suggested that simultaneous nitrification and denitrification (SND) occurred. The phosphorus-accumulating organisms (PAOs) accumulated in the reactor. AnOx/Oxic test indicated that intracellular organic carbon might be utilized as denitrification electron donor in nitrogen removal process. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：191 / 196

页数：6

共 28 条

[1] Simultaneous high-strength organic and nitrogen removal with combined anaerobic upflow bed filter and aerobic membrane bioreactor [J].