A novel vertical dual-loop reactor for rapid start-up of simultaneous partial nitrification and anammox process in treating landfill leachate: Performances and mechanisms

被引：18
|
作者：
Wang, Siqi [1 ,2 ,3 ]
Teng, Zedong [4 ]
Li, Yun [1 ,5 ]
Chen, Fuming [1 ]
Liu, Xu [1 ]
Liu, Shujie [1 ]
He, Juyuan [1 ]
Wang, Wei [3 ]
机构：
[1] Qingyan Environm Technol Co Ltd, Shenzhen 518057, Peoples R China
[2] Tsinghua Univ Shenzhen, Res Inst, Shenzhen 518057, Peoples R China
[3] Tsinghua Univ, Sch Environm, Beijing 100084, Peoples R China
[4] Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing Engn Res Ctr Proc Pollut Control, Inst Proc Engn,Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
[5] Qingyan Environm Technol Co Ltd, South Dist Sci & Technol Pk,Nanshan Dist, Shenzhen 518057, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2022年 / 364卷
基金：
中国国家自然科学基金;
关键词：
Partial nitrification; Anammox; Rapid start-up; Vertical dual -loop reactor; PARTIAL NITRITATION; NITROGEN REMOVAL; WASTE-WATER; INHIBITION; OXIDATION; GRANULES; BIOFILM;
D O I：
10.1016/j.biortech.2022.127947
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A novel vertical dual-loop reactor (VDLR) was developed to start and conduct a single-stage partial nitritation (PN) and anammox (PN/A) process for treating landfill leachate. Results showed that the total nitrogen (TN) removal reached 1.54 kg N/m3 center dot d in the VDLR. It exhibited excellent mixing uniformity and buffer performance, which can increase the nitrogen removal performance up to 42.1 % via the improvement of anammox granular sludge activity (a particle size of 0.5-1 mm). Mass balance and microbial analysis indicated that the VDLR achieved efficient TN removal via anammox (99.24 %) and AOB (Nitrosomonas and Ellin6067) and anAOB (Candidatus kuenenia) played a vital role in this process.
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页数：10
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