低基质厌氧氨氧化滤柱的快速启动及稳定运行

张肖静; 傅浩强; 张楠; 张玉国; 翟含飞; 郑淑滑; 张涵; 郑凯伟

doi:10.3969/j.issn.2096-1553.2018.04.006

July 2018

Article Contents

ZHANG Xiaojing, FU Haoqiang, ZHANG Nan, et al. Rapid start-up and stable operation of low-matrix Anammox filtration for treating low nitrogen sewage[J]. Journal of Light Industry, 2018, 33(4): 42-49. doi: 10.3969/j.issn.2096-1553.2018.04.006

Citation: ZHANG Xiaojing, FU Haoqiang, ZHANG Nan, et al. Rapid start-up and stable operation of low-matrix Anammox filtration for treating low nitrogen sewage[J]. Journal of Light Industry, 2018, 33(4): 42-49. doi: 10.3969/j.issn.2096-1553.2018.04.006 shu

Rapid start-up and stable operation of low-matrix Anammox filtration for treating low nitrogen sewage

He'nan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450001, China;
Anyang Chemical Industry Group Co., Ltd., Anyang 455000, China

Received Date: 2018-02-05
Available Online: 2018-07-15

Abstract

The ordinary activated sludge was inoculated into the volcanic rock biological filtration at 21.0~26.0℃. The parameters of the three experimental stages were adjusted to investigate the rapid start-up of the Anammox reactor and its stable operation strategy under low ammonia nitrogen conditions. The results showed that the first stage was high ammonia nitrogen and high alkalinity operation, the hydraulic retention time increased from 1.7 h to 6 h, the total nitrogen removal effect was not satisfactory, the reactor didn't start successfully; the second stage was high ammonia nitrogen and low alkalinity. The pre-filtration unit was operated and added to reduce the dissolved oxygen in the influent. On the 101st day, the effluent of the reactor showed obvious denitrification effect, the total nitrogen removal rate was about 40%, the reactor started successfully. The third stage was stable operation with low ammonia nitrogen and low alkalinity, the total nitrogen removal rate was up to 89%, the total effluent nitrogen was 11 mg/L, and the effluent nitrogen reached the first-class A effluent standard of the "Integrated Emission Standard for Pollutants in Urban Sewage Treatment Plants" (GB18918-2002). By controlling the lower DO value and the appropriate pH value, the rapid start-up and stable operation of the low-matrix Anammox reactor could be achieved within a certain temperature range.
- Anammox,
- volcanic rock biological filtration,
- DO,
- wastewater treatment
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Rapid start-up and stable operation of low-matrix Anammox filtration for treating low nitrogen sewage

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通讯作者: 陈斌, bchen63@163.com