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Enhanced Biological Phosphorus Removal in SBR Using Glucose as a Single Organic Substrate

JIANG Yi-feng LI Xiang-kun FENG Xiao-yu WANG Shu-tao WANG Bao-zhen LIU Ya-nan CHEN Jian-meng

东华大学学报（英文版）2008，Vol.25Issue(1)：106-110,5.
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东华大学学报（英文版）2008，Vol.25Issue(1)：106-110,5.

Enhanced Biological Phosphorus Removal in SBR Using Glucose as a Single Organic Substrate

Enhanced Biological Phosphorus Removal in SBR Using Glucose as a Single Organic Substrate

JIANG Yi-feng 1LI Xiang-kun 2FENG Xiao-yu 2WANG Shu-tao 3WANG Bao-zhen 3LIU Ya-nan 4CHEN Jian-meng1

作者信息

  • 1. College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310032, China
  • 2. College of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China
  • 3. Hangzhou Institute of Agriculture Science, Hangzhou 310024. China
  • 4. School of Environmental Science and Engineering, Donghua University, Shanghai 200051, China
  • 折叠

摘要

Abstract

Enhanced biological phosphorus removal (EBPR) was investigated in an anaerobic/aerobic sequencing batch reactor (SBR) supplied with glucose as a single organic substrate. The results illustrated that EBPR process could also occur successfully with glucose other than short chain fatty acids (SCFAs). High phosphorus release and polyhydroxyalkanoate (PHA) accumulation in the anaerobic phase was found vital for the removal of phosphorus during the aerobic phase. The measurement of intracellular reserves revealed that glycogen had a higher chance to replace the energy role of poly-P under anaerobic conditions. Moreover, glycogen was also utilized as the carbon source for PHA synthesis. as well as a reducing power as reported earlier. The accumulated PHA in this system was mainly in the form of poly-hydroxyvalerate (PHV) instead of polyhydroxybutyrate (PHB), and was inferred to be caused by the excess reducing power contained in glucose. Lactate as a fermentation product was also found released into the bulk solution. Applying fundamental biochemistry knowledge to the experimental results, a conceptual biochemical model was developed to explain the metabolism of the glucoseinduced EBPR.

关键词

enhanced biological phosphorus removal (EBPR), sequencing batch reactor (SBR), glucose, glycogen, poly-hydroxyalkanoate (PHA)

Key words

enhanced biological phosphorus removal (EBPR), sequencing batch reactor (SBR), glucose, glycogen, poly-hydroxyalkanoate (PHA)

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资源环境

引用本文复制引用

JIANG Yi-feng,LI Xiang-kun,FENG Xiao-yu,WANG Shu-tao,WANG Bao-zhen,LIU Ya-nan,CHEN Jian-meng..Enhanced Biological Phosphorus Removal in SBR Using Glucose as a Single Organic Substrate[J].东华大学学报（英文版）,2008,25(1):106-110,5.

基金项目

Science and Technology Project of Zhejiang and Hangzhou (No. 2007C13081, No. 20062912A06) （No. 2007C13081, No. 20062912A06）

东华大学学报（英文版）

1672-5220

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