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首页> 外文会议>International Conference on Asia-European Sustainable Urban Development; 20060404-06; Chongqing(CN) >Effect of nitrifying ability on denitrifying phosphorus removal efficiency in DNP-MSBR process
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Effect of nitrifying ability on denitrifying phosphorus removal efficiency in DNP-MSBR process

机译：DNP-MSBR工艺中硝化能力对脱氮除磷效率的影响

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摘要

The nitrifying ability and influence factors of the biofilm reactor in the DNP-MSBR process were investigated, the methods for improving the nitrate proportion and reducing the simultaneous nitrification and denitrification in the biofilm reactor were analyzed. The results demonstrate that keeping the ammonia nitrogen load below 120 g/(m3·d), chemical oxygen demand(COD) load below 500 g/(m3·d), dissolved oxygen(DO) concentration on the level of 5 - 6 mg/L in the nitrifying section, the average removal efficiency of ammonia nitrogen can be obtained more than 90%, besides the simultaneous nitrification and denitrification can be extremely reduced and the nitrate proportion will be guaranteed. In the DNP-MSBR process, the denitrifying phosphorus removal efficiency achieves 75%.
机译：研究了DNP-MSBR工艺中生物膜反应器的硝化能力和影响因素，分析了提高生物膜反应器中硝酸盐比例，减少同时硝化反硝化的方法。结果表明，保持氨氮负荷低于120 g /（m3·d），化学需氧量（COD）负荷低于500 g /（m3·d），溶解氧（DO）浓度为5-6 mg / L在硝化段，氨氮的平均去除率可达到90％以上，此外，同时硝化和反硝化的同时可以大大减少，并保证了硝酸盐的比例。在DNP-MSBR工艺中，脱氮除磷效率达到75％。

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