Insight into the effect of oxytetracycline on the pollutant removal performance, nitrogen removal rate, microbial community and enzymatic activity of sequencing batch reactor

作者: Bingrui Ma , Shanshan Li , Sen Wang , Mengchun Gao , Zonglian She

DOI: 10.1016/J.JWPE.2020.101309

关键词:

摘要: The performance, nitrogen removal rate, microbial community and enzymatic activity of a sequencing batch reactor (SBR) have been evaluated under long-term exposure of oxytetracycline (OTC). The chemical oxygen demand (COD) and NH 4+-N removals displayed no distinct variation under 5 mg/L OTC and then reduced with the increase of OTC concentration from 5 to 30 mg/L. The microbial oxygen uptake rate and dehydrogenase activity of activated sludge had no evident change under 10 mg/L OTC and then decreased …

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