[1]张飞宇,李安婕,王丽丽,等.废水生物脱氮工艺对新污染物去除转化的影响[J].中国给水排水,2023,39(14):1-9.
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废水生物脱氮工艺对新污染物去除转化的影响

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第39卷 期数: 2023年第14期 页码: 1-9 栏目: 出版日期: 2023-07-17
Title:
Effects of Biological Nitrogen Removal Process on the Removal and Transformation of Emerging Contaminants from Wastewater
作者:
张飞宇1,2， 李安婕1,2， 王丽丽1,2， 李倩1,2， 顾继东3
（1.北京师范大学环境学院 水沙科学教育部重点实验室，北京 100875；2.北京师范大学环境学院 水环境模拟国家重点实验室，北京 100875；3.广东以色列理工学院 环境工程系，广东 汕头 515063）
Author(s):
ZHANG　Fei-yu1，2， LI　An-jie1，2， WANG　Li-li1，2， LI　Qian1，2， GU　Ji-dong3
（1. Key Laboratory of Water and Sediment Sciences， Ministry of Education， School of Environment， Beijing Normal University， Beijing 100875， China； 2. State Key Laboratory of Water Environment Simulation， School of Environment， Beijing Normal University， Beijing 100875， China； 3. Environmental Science and Engineering Research Group， Guangdong Technion?Israel Institute of Technology， Shantou 515063， China）
关键词:
生物脱氮工艺;  新污染物;  共代谢;  非生物转化;  协同作用;  产物毒性
Keywords:
biological nitrogen removal process;  emerging contaminants;  co?metabolism;  abiotic transformation;  synergism;  toxicity of transformation products
摘要:
近年来，一些检出水平低但风险水平较高、处理难度较大的新污染物（Emerging Contaminants， ECs）在各类污水处理厂的进出水中频繁被检出。以生物脱氮为主体工艺的生物处理单元可同步去除氨氮及ECs，但ECs在其中的去除途径复杂，去除机理有待明确，ECs降解中间产物的毒性效应也应引起重视。基于此，分析了影响ECs在生物脱氮工艺中去除效率的关键因素，从生物及化学角度阐述了自养菌、异养菌及活性氮物质在ECs去除过程中的作用，系统地讨论了ECs的去除途径，同时对中间产物所产生的毒性效应进行了初步讨论，评估了不同类型生物脱氮工艺去除ECs的可行性，以期为应用脱氮工艺同步去除氨氮及ECs提供参考及理论指导。
Abstract:
In recent years, the emerging contaminants (ECs) with low level of detection and high level of risk are frequently detected in influent and effluent of wastewater treatment plants (WWTPs). ECs and ammonia nitrogen can be removed simultaneously in biological nitrogen removal process. However, the removal pathways and mechanism are complex and need further study. Also, the toxicity of intermediate products from ECs degradation should be paid more attention. In this background, the key factors of ECs removal in biological nitrogen removal process were analyzed. The role of autotrophic bacteria, heterotrophic bacteria, and nitrogenous compounds on ECs removal was clarified from the perspective of biology and chemistry. In addition, the transformation pathways of ECs and the toxicity of intermediate products were discussed. Furthermore, the feasibility of various biological nitrogen removal processes which are applied for ECs removal was evaluated to provide a reference and guidance for the simultaneous removal of ammonia nitrogen and ECs.

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更新日期/Last Update: 2023-07-17