FNA在污水生物脱氮除磷中的抑制效应

doi:10.11894/1005-829x.2014.34(6).005

工业水处理 ›› 2014, Vol. 34 ›› Issue (6): 5-9. doi: 10.11894/1005-829x.2014.34(6).005

FNA在污水生物脱氮除磷中的抑制效应

李璐, 马娟, 宋相蕊

兰州交通大学环境与市政工程学院, 甘肃兰州 730070

收稿日期:2014-02-08 出版日期:2014-06-20 发布日期:2014-07-05
通讯作者: 马娟，电话：15101275221，E-mail：meggyma@163.com E-mail:meggyma@163.com
作者简介:李璐（1988-），在读硕士。电话：13893607929，E-mail：lilu_erin@126.com。
基金资助:
国家自然科学基金资助项目（51168027）

Inhibitory effect of free nitrous acid (FNA) on wastewater biological denitrification and dephosphorization

Li Lu, Ma Juan, Song Xiangrui

School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China

Received:2014-02-08 Online:2014-06-20 Published:2014-07-05

摘要/Abstract

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。

关键词: 生物脱氮除磷, 游离亚硝酸, 抑制机理

Abstract: Nitrite(NO₂^-), as the intermediate product of nitration and denitrification, exists in wastewater biological denitrification 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 wastewater biological denitrification and dephosphorization is summarized. The possibly inhibitory mechanisms of FNA on biological denitrification and dephosphorization are introduced. The problem of how to effectively control the inhibitory effect of FNA in the process of wastewater treatment is discussed, and its further research is predicted.

Key words: biological denitrification and dephosphorization, free nitrous acid (FNA), inhibitory mechanism

中图分类号:

X703

李璐, 马娟, 宋相蕊. FNA在污水生物脱氮除磷中的抑制效应[J]. 工业水处理, 2014, 34(6): 5-9.

Li Lu, Ma Juan, Song Xiangrui. Inhibitory effect of free nitrous acid (FNA) on wastewater biological denitrification and dephosphorization[J]. INDUSTRIAL WATER TREATMENT, 2014, 34(6): 5-9.

https://www.iwt.cn/CN/Y2014/V34/I6/5

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