Hypothesis for metabolites of denitrifying phosphate accumulating organisms by the restriction of denitrifying bacteria in anoxic phase |
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Authors: | RenNanQi and Chen MingQi |
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Affiliation: | School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China |
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Abstract: | The objective of this work is to verify a hypothesis that nitrite accumulation comes from the metabolites of denitrification phosphate accumulating organisms (DPAOs),not denitrifying bacteria.On the precondition of the restriction of denitrifying bacteria in anoxic phase,static experimental test was designed using NO3-as electron acceptor,effluent was removed after sedimentation in anaerobic phase,and the same concentration solution of PO43--P was returned,so that TOC was excluded and denitrification was in... |
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Keywords: | metabolite denitrification phosphate accumulating organisms (DPAOs) enhanced biological phosphorus removal (EBPR) nitrate nitrite |
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