P RELEASE AND UPTAKE ACCORDING TO INFLUENT ORGANIC LOADING IN BNR PROCESS |
Kwang-Soo Kim1†, Chang-Hoon Ann2, and Jae-Kwang Park2 |
1Construction Environment Research Dept., Korea Institute of Construction Technology 2Civil and Environmental Eng. Dept., University of Wisconsin-Madison, USA |
Corresponding Author:
Kwang-Soo Kim ,Tel: +82-31-910-0299, Fax: +82-31-910-0291, Email: kskim@kict.re.kr |
Received: August 6, 2005; Accepted: November 6, 2005. |
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ABSTRACT |
A batch-type study was conducted to investigate the phosphorus release and uptake under anaerobic and aerobic conditions according to organic loading changes. As organic loading increased, anaerobic P release increased but aerobic P uptake decreased. Where organic carbon contents remain high in aerobic conditions, PHB consumption within the microbial cells diminished, therefore it was found that in order to enhance P uptake rate, it should reach the endogenous growth stage where the entire organic loading was consumed. |
Keywords:
P release and uptake | Organic loading | Endogenous growth | PHB |
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