Abstract:The effect of external carbon (acetate) addition on nitrogen and phosphorus removal in a sequencing batch reactor (SBR) employing anaerobic/oxic/anoxic (AOA) regime was investigated. Two SBRs, receiving wastewater with different total organic carbon per nitrogen concentration (TOC/N) ratios (influent TOC/N ratio: 2.2 and 4.5 in Run 1 and Run 2, respectively) were operated by changing the amount of external carbon addition at the beginning of oxic phase. The operations in both reactors revealed that nitrogen an… Show more
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