限氧自养硝化-反硝化生物脱氮新技术

应用生态学报 ›› 2003, Vol. ›› Issue (12): 2333-2336.

限氧自养硝化-反硝化生物脱氮新技术

张丹¹, 徐慧¹, 李相力², 张颖¹, 陈冠雄¹

1. 中国科学院沈阳应用生态研究所陆地生态过程重点实验室, 沈阳 110016;
2. 沈阳市环境监测中心站, 沈阳 110016

收稿日期:2003-02-14 修回日期:2003-04-11 出版日期:2003-12-15
通讯作者: 陈冠雄,通讯联系人E-mail:gxchen39@hotmail.com
基金资助:
中-比国际合作项目(BIL00/03);中国科学院沈阳应用生态研究所知识创新工程资助项目(SCXMS0109)

Oxygen-limited autotrophic nitrification and denitrification—A novel technology for biological nitrogen removal

ZHANG Dan¹, XU Hui¹, LI Xiangli², ZHANG Ying¹, CHEN Guanxiong ¹

1. Key Laboratory of Terrestrial Ecological Process, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;
2. Laboratory of Monitoring Water Quality, Shenyang Environmental Monitoring Center Station, Shenyang 110016, China

Received:2003-02-14 Revised:2003-04-11 Online:2003-12-15

摘要/Abstract

摘要： 限氧自养硝化反硝化是部分硝化与厌氧氨氧化相耦联的生物脱氮反应过程,通过严格控制溶解氧在0.1～0.3mg·L^-1,实现硝化反应控制在亚硝酸阶段,然后以硝化阶段剩余的NH₄⁺作为电子供体,在厌氧条件下实现反硝化.该反应过程是完全的自养硝化反硝化过程,具有能耗低、脱氮效率高、反应系统占地面积小等优点,适用于处理COD/NH₄⁺-N低的废水,是一种非常有应用前景的生物脱氮技术.文中详细介绍了限氧自养硝化反硝化生物脱氮反应过程的研究进展,讨论了其微生物学机理及应用前景.

Abstract: Oxygen limited autotrophic nitrification and denitrification (OLAND) is a biological nitrogen removal process coupled with partial nitrification and anaerobic ammonium oxidation. In our study,the nitrification was blocked at nitrite stage by controlling the dissolved oxygen concentration at 0.1～0.3 mg·L^-1 ,and then,the denitrification proceeded,with the residual ammonium at the partial nitrification stage as electron donor. As a completely autotrophic nitrification denitrification process,the OLAND was of many advantages (e.g.,low energy consumption,high nitrogen removal rate and small footprint of system),and suitable in particular for treating low COD/NH₄⁺-N ratio wastewater. It has become one of the most prosperous and practicable biological nitrogen removal technologies. The recent research of OLAND was reviewed,and its microbial mechanism as well as its applicable prospect was remarked in this paper.

中图分类号:

X505

张丹, 徐慧, 李相力, 张颖, 陈冠雄. 限氧自养硝化-反硝化生物脱氮新技术[J]. 应用生态学报, 2003, (12): 2333-2336.

ZHANG Dan, XU Hui, LI Xiangli, ZHANG Ying, CHEN Guanxiong . Oxygen-limited autotrophic nitrification and denitrification—A novel technology for biological nitrogen removal[J]. Chinese Journal of Applied Ecology, 2003, (12): 2333-2336.

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