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首页> 外文会议>The 3rd International Conference on Bioinformatics and Biomedical Engineering(iCBBE 2009)(第三届生物信息与生物医学工程国际会议）论文集 >Nitrogen removal through heterotrophic nitrification and aerobic denitrification by heterotrophic nitrifier of Bacillus sp. LY
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Nitrogen removal through heterotrophic nitrification and aerobic denitrification by heterotrophic nitrifier of Bacillus sp. LY

机译：通过芽孢杆菌异养硝化器的异养硝化和需氧反硝化去除氮。 LY

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摘要

A set of batch assays was used to assess the characteristics of ammonium oxidation, nitrite and nitrate reduction by heterotrophic nitrifier of Bacillus sp. LY. Bacillus sp. LY is not only a heterotrophic nitrifier, but is also an aerobic denitrifier, and shows a surprising ability of aerobic nitrificationdenitrification for nitrogen removal. C/N 15 and 30 ℃ were the optimal conditions for aerobic nitrogen removal. Maximum removal efficiency of NH4 +-N and TN was 100% and 78.9% respectively when the medium initially contained 40mg/l of NH4 +-N at C/N 15. The nitrogen conversion during the process was also analyzed. The production of N2O and N2 confirmed its aerobic nitrogen removal capability. This is important as the potential for single step nitrogen removal in wastewater treatment by heterotrophic nitrification-aerobic denitrification.
机译：一组批次分析用于评估芽孢杆菌异养硝化器的铵氧化，亚硝酸盐和硝酸盐还原特性。 LY。芽孢杆菌LY不仅是异养硝化器，而且还是好氧反硝化器，并且显示出令人惊讶的好氧硝化-硝化脱氮能力。 C / N 15和30℃是有氧脱氮的最佳条件。当介质在C / N 15时最初包含40mg / l NH4 + -N时，NH4 + -N和TN的最大去除效率分别为100％和78.9％。还分析了过程中的氮转化率。 N2O和N2的产生证实了其有氧脱氮能力。这很重要，因为在通过异养硝化-好氧反硝化处理废水中单步脱氮的潜力很大。

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