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FNA在污水生物脱氮除磷中的抑制效应 被引量：6

Inhibitory effect of free nitrous acid(FNA) on wastewater biological denitrification and dephosphorization
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摘要 亚硝酸盐作为生物硝化和反硝化的中间产物,存在于污水生物脱氮除磷系统中。探讨了亚硝酸盐的质子化产物游离亚硝酸(FNA)的影响因素,在此基础上综述了亚硝酸盐及FNA对污水生物脱氮除磷抑制效应的研究进展,概述了FNA在生物脱氮除磷系统中可能的抑制机理,讨论了如何有效控制污水处理过程中FNA的抑制作用,并对进一步研究提出了展望。 Nitrite （NO2-）, as the intermediate product of nitration and denitrification, exists in wastewater biologicaldenitrification and dephosphorization systems. The influencing factors of nitrite protonated product free nitrous acid（FNA） are discussed. On this basis, the research progress in the inhibition effect of nitrite and FNA on wastewaterbiological denitrifieation and dephosphorization is summarized. The possibly inhibitory mechanisms of FNA on bio-logical denitrification and dephosphorization are introduced. The problem of how to effectively control the inhibitoryeffect of FNA in the process of wastewater treatment is discussed, and its further research is predicted.
作者 李璐 马娟 宋相蕊
机构地区 兰州交通大学环境与市政工程学院
出处 《工业水处理》 CAS CSCD 北大核心 2014年第6期5-9,共5页 Industrial Water Treatment
基金 国家自然科学基金资助项目(51168027)
关键词 生物脱氮除磷 游离亚硝酸 抑制机理 biological denitrification and dephosphorization free nitrous acid （FNA） inhibitory mechanism
分类号 X703 [环境科学与工程—环境工程]
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参考文献27

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工业水处理
2014年 第6期

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