短程与全程硝化反硝化过程中N2O产量比较
China Water & Wastewater(2008)
Abstract
采用序批式活性污泥反应器(SBR)对生活污水短程及全程硝化反硝化过程中N2O的产生量进行了考察.结果表明,在进水氨氮浓度相同且不限制DO的条件下,全程硝化反硝化过程中N2O的总产生量为短程硝化反硝化的2倍左右;硝化类型不会影响反硝化过程对溶解性N2O的还原,无论以(NO2-)-N还是以(NO3-)-N为电子受体,反硝化过程均有利于降低N2O的浓度.
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Key words
shortcut nitrification and denitrification,N2O production quantity,complete nitrification and denitrification
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