Accumulation and isolation of simultaneous denitrifying polyphosphate-accumulating organisms in an improved sequencing batch reactor system at low temperature
作者： Shuli Liu , Jianzheng Li
DOI: 10.1016/J.IBIOD.2015.02.003
关键词:
摘要: Abstract The paper studied accumulation of denitrifying polyphosphate-accumulating organisms (DNPAOs) by using an improved sequencing batch reactor (SBR) system in which anaerobic-aerobic-anoxic (A-O-A) and anaerobic-anoxic (A–A) are at low temperature (15 °C). Results indicated that it was feasible to accumulate DNPAOs with nitrogen (N) phosphorus (P) removals concurrently SBR system. Moreover, a strain isolated from the identified as Acinetobacter sp. J6. Important factors affect N P removal efficiency J6 were investigated, including temperature, pH total phosphate (TP) concentration. Strain had highest rates under original 8.0, TP concentration 4.16 mg L −1 15 °C. purification culture contributed germplasm resources for full-scale biological denitrify remove simultaneously.
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