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环境工程学报 2007
Characteristics and application of reversed A/O process
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Abstract:
Conventional A^2/O process achieve satisfied effect on nitrogen removal chieve satisfied effect on phosphorus removal. Principle and characteristics of conventionalA^2/O process have been studied. In reversed A^2/O process an anaerobic tank is put before anoxic tank and design dividual point infall in aerobic tank after auoxic tank. And experiment in a sewage plant has showed that phosphorus and nitrogen removal rates of reversed A^2/O process are markedly higher than that of conventional A^2/Oprocess, whereas the COD removal rates are equal .