Fast start-up of the cold-anammox process with different inoculums at low temperature (13 °C) in innovative reactor

被引：50
|
作者：
Wu, Peng [1 ,2 ]
Chen, Ya [1 ]
Ji, Xiaoming [1 ]
Liu, Wenru [1 ]
Lv, Gang [1 ]
Shen, Yaoliang [1 ,2 ]
Zhou, Qi [3 ]
机构：
[1] Suzhou Univ Sci & Technol, Sch Environm Sci & Engn, 1 Kerui Rd, Suzhou 215009, Peoples R China
[2] Jiangsu Collaborat Innovat Ctr Technol & Mat Wate, 1 Kerui Rd, Suzhou 215009, Peoples R China
[3] Tongji Univ, Sch Environm Sci & Engn, State Key Lab Pollut Control & Resource Reuse, 1239 Siping Rd, Shanghai 200092, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2018年 / 267卷
基金：
中国国家自然科学基金;
关键词：
Cold-Anammox; Rapid start-up; Innovative reactor; Inoculum sludge; Microbial community; ANAEROBIC AMMONIUM OXIDATION; WASTE-WATER TREATMENT; CONVENTIONAL ACTIVATED-SLUDGE; NITRITATION-ANAMMOX; NITROGEN REMOVAL; GRANULAR SLUDGE; OXIDIZING MICROORGANISMS; MEMBRANE BIOREACTOR; COMMUNITY STRUCTURE; NITRATE REDUCTION;
D O I：
10.1016/j.biortech.2018.07.026
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Three innovative reactors (CAMBR) through optimally combining with the Anaerobic Baffled reactor and Membrane bioreactor were applied to start up the cold-anammox process at low temperature (13 degrees C) through inoculating flocculent nitrification sludge (R1), anaerobic granular sludge (R2) and flocculent denitrification sludge (R3), respectively. Results showed that anammox process was started successfully with over 90% total nitrogen removal rate in R1, R2 and R3 after 75d, 45d, and 90d, respectively. Microbial community revealed that Ca. Brocadia and Ca. Jettenia were the dominant anammox bacteria in R1, R2 and R3, accounting for an abundance of 0.08%, 12.18%; 3.17%, 0 and 0.08%, 0.38%, respectively. Three anammox species, Ca. Brocadia caroliniensis, Ca. Brocadia sinica and Ca. Jettenia asiatica were annotated based on the phylogenetic tree, suggesting the anammox species with larger maximum growth rate contributed to the rapid start-up of the cold-anammox process. This study reinforces the potential application of mainstream anammox.
引用
收藏
页码：696 / 703
页数：8
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