Setup and Microbial Community Analysis of ANAMMOX System for Landfill Leachate Treatment Coupling Partial Nitrification-Denitrification Process

被引：1
|
作者：
Zhao Q. [1 ]
Liu M.-Y. [1 ]
Lü H. [2 ,3 ]
Liang J.-Y. [1 ]
Diao X.-X. [4 ]
Zhang X. [5 ]
Meng L. [6 ]
机构：
[1] School of Civil Engineering, Guangzhou University, Guangzhou
[2] School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou
[3] Shenzhen Research Institute of Sun Yat-sen University, Shenzhen
[4] Shenzhen Lisai Development Co., Ltd., Shenzhen
[5] School of Civil and Architecture Engineering, Heilongjiang Institute of Technology, Harbin
[6] Shenzhen Xiaping Municipal Solid Waste Landfill Site, Shenzhen
来源：
Huanjing Kexue/Environmental Science | 2019年 / 40卷 / 09期
关键词：
16S rRNA; Anaerobic ammonia oxidation (ANAMMOX); Landfill leachate; Microbial community structure; UASB reactor;
D O I：
10.13227/j.hjkx.201901247
中图分类号：
学科分类号：
摘要：
In order to upgrade the current shortcut nitrification and denitrification process for landfill leachate treatment and to stimulate nitrification-denitrification coupled with anaerobic ammonia oxidation (ANAMMOX) at a landfill, an ANAMMOX process was started using an up-flow anaerobic sludge bed (UASB) reactor seeded with nitrification and denitrification sludge. The performances of the reactor were investigated, including the nitrogen loading and nitrogen removal rates. Moreover, Illumina Miseq sequencing was conducted to analyze the microbial community dynamics under long-term operation on a molecular level. The results showed that the ANAMMOX reactor was successfully started in 149 days. The total nitrogen loading rate reached 4 000.00 mg•(L•d)-1, and the total nitrogen removal rate reached 3 885.76 mg•(L•d)-1 after stable operation. The average ammonium and nitrite removal efficiencies were more than 95%. In 250 days, the Planctomycetes in the reactor experienced rapid growth, and its abundance reached 54.94%. The abundance of Candidatus Kuenenia reached 49.66%. The upgrading process of landfill leachate treatment by coupling ANAMMOX based on short-cut nitrification and denitrification was confirmed to be feasible. © 2019, Science Press. All right reserved.
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页码：4195 / 4201
页数：6
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