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The combined effects of dissolved oxygen (DO) and pH on nitrogen removal were investigated in a laboratory-scale sequencing batch reactor (SBR) with anammox-enriched granular sludge obtained from a nitritation/anammox system. The highest specific nitrogen removal rate (SNRR) (1.1gNgVSS−1d−1) was observed under non-aerated conditions, resulting in the nitrogen removal efficiency of 81.6%. Although...
This study compared the effectiveness of four metabolic uncouplers (p-chlorophenol, m-chlorophenol, m-nitrophenol and o-nitrophenol) in reducing sludge production from an activated sludge process. A series of batch experiments fed with different concentrations of individual metabolic uncouplers were conducted at constant initial biomass and glucose concentrations. Results showed that sludge production...
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