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In the system used nitrate as electron acceptor,the oxygen consumption was 55.5% less than the system that oxygen was used as electron acceptor. The sludge and CO2 production was 53% and 21.4% less,respectively.
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反硝化除磷比以氧为电子受体的生物除磷可减少耗氧55.;5%25;剩余污泥的产生量可减少53%25;温室气体CO2的产生量可减少体积分数21
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