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首页> 外文期刊>Asian Journal of Chemistry: An International Quarterly Research Journal of Chemistry >Effect of Different Influent Flow Distribution Ratios on Multistage A/O Process for Removal of Carbon and Nitrogen
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Effect of Different Influent Flow Distribution Ratios on Multistage A/O Process for Removal of Carbon and Nitrogen

机译：不同进水流量分配比对多级A / O工艺去除碳氮的影响

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摘要

Three-stage step-feed A/O system was applied to treat sew age with low carbon source. The denitrification removal efficiency under different influent flow tribution ratios were discus showed that different flow distribution ratios (4:3:3; 5:3:2; 6:3:1) had a little effect on titer removal and nitrification efficiency, COD, NH.i-N of ev were below 30 and 1.0 mg/L, respectively, by monitoring water quality along the reactor, but denitrification efficiency was considerably affected. When flow distribution ratio was 5:3:2, carbon source effectively used and the system achieved the optimum efficiency of nitrification. When flow distribution tent total nitrogen was 5.7 mg/L and removal ratio of total nitrogen was 82.9 %, which was better than the nitrogen removal efficiency under the flow distribution ratios of 6:3:1 and 4:3:3. In summary, the step-feed system is superior to single point feed system in the actively usage of carbon sources and energy saving.
机译：采用三阶段分步进给A / O系统处理低碳源的缝制时代。讨论了不同进水流量分配比下的反硝化去除效率，表明不同的流量分配比（4：3：3; 5：3：2; 6：3：1）对滴定度和硝化效率，COD，通过监测反应器的水质，ev的NH.iN分别低于30和1.0 mg / L，但反硝化效率受到很大影响。当流量分配比为5：3：2时，碳源得到有效利用，系统达到了最佳硝化效率。当流量分布帐篷中的总氮为5.7 mg / L，总氮的去除率为82.9％时，在流量比为6：3：1和4：3：3时，其脱氮效率要好于总氮。总之，在主动使用碳源和节能方面，分步进料系统优于单点进料系统。

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