颗粒-絮状污泥耦合单级自养脱氮系统的脱氮性能分析

赵婉情; 李柏林; 王伟; 李晔; 王恒; 汪月; 梁亚楠

doi:10.13205/j.hjgc.202009007

颗粒-絮状污泥耦合单级自养脱氮系统的脱氮性能分析

doi: 10.13205/j.hjgc.202009007

赵婉情^1,2,
李柏林^1,2, ,,
王伟^1,2,
李晔^1,2,
王恒^1,2,
汪月^1,2,
梁亚楠^1,2

1. 武汉理工大学资源与环境工程学院, 武汉 430070;
2. 矿物资源加工与环境湖北省重点实验室, 武汉 430070

基金项目:

国家自然科学基金项目（51708431）。

详细信息

作者简介:
赵婉情(1995-),女,硕士研究生,主要研究方向为污水生物自养脱氮技术。15927166289@163.com

通讯作者:
李柏林(1983-),男,博士,副教授,主要研究方向为水污染控制与治理研究。bolly1221@whut.edu.cn

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出版历程
- 收稿日期: 2019-05-31

PERFORMANCE OF A GRANULAR-FLOCCULENT SLUDGE COUPLING SINGLE-STAGE AUTOTROPHIC NITROGEN REMOVAL SYSTEM

ZHAO Wan-qing^1,2,
LI Bo-lin^{1,2
, ,},
WANG Wei^1,2,
LI Ye^1,2,
WANG Heng^1,2,
WANG Yue^1,2,
LIANG Ya-nan^1,2

1. School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China;
2. Hubei Key Laboratory of Mineral Resources Processing and Environment, Wuhan 430070, China

摘要

摘要: 在SBR（Ⅰ）反应器中快速启动颗粒-絮状污泥耦合单级自养脱氮系统，研究启动前后颗粒、絮状污泥脱氮性能的变化。取启动前和系统构建成功后的污泥进行批试实验，通过甲醇抑制厌氧氨氧化菌（AAOB）活性来研究厌氧氨氧化和反硝化比例的变化。絮状污泥总氮去除率（NRE）从启动前的10.14%提高至启动成功后的89.70%，其中厌氧氨氧化脱氮占比从2.23%提高到83.70%，反硝化脱氮占比从7.91%减少到5%~6%；颗粒污泥的NRE从启动前3.90%提高至启动成功后的83.20%，厌氧氨氧化占比从不足1%提高到80.20%左右，反硝化占比从7.72%减少到2%~3%。
- 颗粒-絮状耦合 /
- 单级自养脱氮 /
- 厌氧氨氧化菌 /
- 反硝化 /
- 脱氮性能
Abstract: In SBR (Ⅰ) reactor, the granular-flocculent sludge coupled single-stage autotrophic nitrogen removal system was rapidly started, and then the change of nitrogen removal performance of granular and flocculent sludge before and after start-up was studied. The sludge before start-up and after the start of the system was sampled to carry out batch experiments and the changes of denitrification and anaerobic ammonium oxidation denitrification performance were investigated by inhibiting the activity of anaerobic ammonium oxidizing bacteria (AAOB) by methanol. The total nitrogen removal rate (NRE) of flocculent sludge increased from 10.14% before start-up, to 89.70% after start-up, of which the proportion of anaerobic ammonia oxidation increased from 2.23% before start-up to 83.70%, and the proportion of denitrification decreased from 7.91% to 5%~6%. The NRE of granular sludge increased from 3.90% before start-up to 83.20% after start-up, the proportion of anaerobic ammonium oxidation increased from less than 1% to 80.20%, and the proportion of denitrification decreased from 7.72% to 2%~3%.
- granular-flocculent sludge coupling /
- single-stage autotrophic nitrogen removal /
- anammox bacteria /
- denitrification /
- nitrogen removal performance

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