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首页> 外文会议>Air Waste Management Association's annual conference exhibition >BioDeNOx: Novel Process For NOx Removal From Flue Gases Based On Chemically Enhanced Biological NO and Iron Reduction
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BioDeNOx: Novel Process For NOx Removal From Flue Gases Based On Chemically Enhanced Biological NO and Iron Reduction

机译：生物苯氧烃：基于化学增强的生物没有和铁还原，从烟道气中排出新方法

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The BioDeNOx process combines the principles of wet absorption of NO into an aqueous Fe(II)EDTA2- solution (± 20 mM) with biological reduction of NO in a bioreactor. Stable NO removal with efficiencies of 70-80 % was demonstrated when treating flue gas containing 500 ppm NO and 3-4 % O2. Biological reduction of both NO and Fe(III)EDTA- are the crucial conversions during the regeneration of Fe(II)EDTA2-. Not NO reduction, but reduction of EDTA chelated Fe(III) turned out to be the rate limiting process. Redox cycling of FeEDTA plays an important role in the biological denitrification process. With respect to Fe-reduction, polysulfide is most likely involved in the electron transfer between the bacteria and Fe(III)EDTA-.
机译：生物苯氧肟工艺将NO的湿吸收原理与生物反应器中的NO生物学还原相结合到含水Fe（II）EDTA2-溶液（±20mm）中。当治疗含有500ppm No和3-4％O 2的烟道气时，证明了稳定的效率为70-80％。 NO和Fe（III）EDTA的生物学还原是Fe（II）EDTA2-再生过程中的重要转化。没有没有减少，而是减少了EDTA螯合FE（III）的速率限制过程。 Feedta的氧化还原循环在生物反硝化过程中起重要作用。关于Fe降低，多硫化物最有可能参与细菌和Fe（III）EDTA-的电子转移。

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