| 纤维载体的生物膜CANON反应器的启动特性 |
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| 引用本文： | 顾澄伟,陈方敏,李祥,黄勇,尤星怡,金润,张文静,董石语.纤维载体的生物膜CANON反应器的启动特性[J].环境科学,2018,39(3):1272-1277. |
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| 作者姓名： | 顾澄伟 陈方敏 李祥 黄勇 尤星怡 金润 张文静 董石语 |
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| 作者单位： | 苏州科技大学环境科学与工程学院, 苏州 215009;苏州科技大学环境生物技术研究所, 苏州 215009,苏州科技大学环境科学与工程学院, 苏州 215009;苏州科技大学环境生物技术研究所, 苏州 215009,苏州科技大学环境科学与工程学院, 苏州 215009;苏州科技大学环境生物技术研究所, 苏州 215009,苏州科技大学环境科学与工程学院, 苏州 215009;苏州科技大学环境生物技术研究所, 苏州 215009,苏州科技大学环境科学与工程学院, 苏州 215009;苏州科技大学环境生物技术研究所, 苏州 215009,苏州科技大学环境科学与工程学院, 苏州 215009;苏州科技大学环境生物技术研究所, 苏州 215009,苏州科技大学环境科学与工程学院, 苏州 215009;苏州科技大学环境生物技术研究所, 苏州 215009,苏州科技大学环境科学与工程学院, 苏州 215009;苏州科技大学环境生物技术研究所, 苏州 215009 |
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| 基金项目： | 国家重点研发计划项目（2016YFC0401103）；国家自然科学基金项目（51478284，51408387）；江苏省特色优势学科二期项目；江苏省水处理技术与材料协同创新中心项目；苏州市分离净化材料与技术重点实验室项目（SZS201512） |
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| 摘 要： | 为研究纤维载体在CANON工艺中的运行特性,同时接种亚硝化污泥及厌氧氨氧化污泥启动CANON反应器.结果表明经过85 d运行,成功启动了CANON反应器,NRR从0.09 kg·(m3·d)-1提升至0.9 kg·(m3·d)-1并能稳定运行,说明纤维载体有利于富集污泥,反应器内能维持较高的生物量.随着微生物的富集生长,生物膜变厚,反应器的能力提升,反应器中DO达到5 mg·L-1.利用微电极测得生物膜由表及里的DO梯度为0.32~0 mg·L-1,说明生物膜变厚,氧对生物膜的穿透力减弱,亚硝化微生物量降低.荧光定量PCR结果表明,启动前后NOB菌数量维持在较低水平,AOB菌的丰度增长不大,ANAMMOX菌细胞增长了一个数量级.
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| 关 键 词： | CANON工艺 启动 亚硝化 厌氧氨氧化 定量PCR |
| 收稿时间： | 2017/8/12 0:00:00 |
| 修稿时间： | 2017/9/1 0:00:00 |
Analysis of CANON Process Start-up with Fiber Carrier |
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| GU Cheng-wei,CHEN Fang-min,LI Xiang,HUANG Yong,YOU Xing-yi,JIN Run,ZHANG Weng-jing and DONG Shi-yu.Analysis of CANON Process Start-up with Fiber Carrier[J].Chinese Journal of Environmental Science,2018,39(3):1272-1277. |
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| Authors: | GU Cheng-wei CHEN Fang-min LI Xiang HUANG Yong YOU Xing-yi JIN Run ZHANG Weng-jing and DONG Shi-yu |
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| Institution: | School of Environment Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;Institute of Environmental Biotechnology, Suzhou University of Science and Technology, Suzhou 215009, China,School of Environment Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;Institute of Environmental Biotechnology, Suzhou University of Science and Technology, Suzhou 215009, China,School of Environment Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;Institute of Environmental Biotechnology, Suzhou University of Science and Technology, Suzhou 215009, China,School of Environment Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;Institute of Environmental Biotechnology, Suzhou University of Science and Technology, Suzhou 215009, China,School of Environment Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;Institute of Environmental Biotechnology, Suzhou University of Science and Technology, Suzhou 215009, China,School of Environment Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;Institute of Environmental Biotechnology, Suzhou University of Science and Technology, Suzhou 215009, China,School of Environment Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;Institute of Environmental Biotechnology, Suzhou University of Science and Technology, Suzhou 215009, China and School of Environment Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;Institute of Environmental Biotechnology, Suzhou University of Science and Technology, Suzhou 215009, China |
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| Abstract: | A CANON reactor with fiber carrier was started up by seeding nitrification sludge and ANAMMOX sludge to study the operating characteristics of a fiber carrier. The results showed that total nitrogen removal load rose from 0.09 kg·(m3·d)-1 to 0.9 kg·(m3·d)-1 and remained steady in the 85th day. This indicated that fiber carrier is beneficial to the accumulation of sludge, and the reactor can maintain a higher biomass. The DO in the reactor reached 5 mg·L-1 with the enrichment of microorganisms, biofilm thickening, and the improvement of the reactor''s ability. The DO gradient of the biofilm from the outside to the inside was 0.32-0 mg·L-1, which could be obtained by a microelectrode. It was shown that the permeability of oxygen to the biofilm decreased, and the amount of nitrifying microorganisms decreased with biofilm thickening. The quantitative PCR results showed that the abundance of ANAMMOX was an order of magnitude more than before. The abundance of AOB increased slightly, while the abundance of NOB stayed at a relatively low level. |
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| Keywords: | CANON process start-up nitrosation ANAMMOX quantitative PCR |
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