工业水处理 ›› 2023, Vol. 43 ›› Issue (2): 23-32. doi: 10.19965/j.cnki.iwt.2022-0012

• 专论与综述 • 上一篇    下一篇

氨氧化共代谢强化去除药物类污染物研究进展

许怀浩(), 王铸(), 邓岳鹏, 胡春   

  1. 广州大学大湾区环境研究院,珠江三角洲水质安全与保护教育部重点实验室,广东 广州 510006
  • 收稿日期:2022-11-01 出版日期:2023-02-20 发布日期:2023-05-26
  • 通讯作者: 王铸 E-mail:xvhuaihao@163.com;wangzhu@gzhu.edu.cn
  • 作者简介:许怀浩(1997— ),硕士。E-mail:xvhuaihao@163.com
    王铸,副教授。E-mail:wangzhu@gzhu.edu.cn
  • 基金资助:
    国家自然科学基金项目(52070047);广州市科技计划项目(201904010217)

Research progress on enhanced removal of pharmaceutical pollutants by ammonia oxidation co-metabolism

Huaihao XU(), Zhu WANG(), Yuepeng DENG, Chun HU   

  1. Key Laboratory for Water Quality and Conservation of the Pearl River Delta,Ministry of Education,Institute of Environmental Research at Greater Bay,Guangzhou University,Guangzhou 510006,China
  • Received:2022-11-01 Online:2023-02-20 Published:2023-05-26
  • Contact: Zhu WANG E-mail:xvhuaihao@163.com;wangzhu@gzhu.edu.cn

摘要:

综述了利用氨氧化共代谢强化去除药物类污染物的研究现状,介绍了相关的微生物及其功能性酶对不同目标污染物的转化能力与转化机理,并分析了一些重要的影响因素及相应的控制策略。结果表明,与生长代谢途径相比,氨氧化共代谢在去除高毒性或难降解药物类污染物时具有明显优势。在合适的范围内,多种药物的降解速率与氨氮负荷呈正相关;当氨氧化受到抑制时,多种药物的去除率出现了不同程度的下降。同时也有研究发现某些共代谢产物具有比母体化合物更强的生态毒性或持久性。在工程应用中,氨氧化共代谢对药物类污染物的降解能力受多种因素的影响,如废水水质、工艺条件和微生物种群等。后续研究应关注药物代谢中间产物的生态风险评估,以及通过优化处理工艺和运行参数实现氨氮和药物污染物的同步高效去除。

关键词: 共代谢, 氨氧化微生物, 药物污染

Abstract:

The research status of enhanced removal of pharmaceuticals by ammonia oxidation co-metabolism was reviewed,and the transformation ability and mechanism of related microbes and their functional enzymes to different target pollutants were introduced. Some significant influencing factors and corresponding control strategies were analyzed. The results showed that compared with metabolism,ammonia oxidation co-metabolism had obvious advantages in the removal of highly toxic or refractory pharmaceuticals. In an appropriate range,the degradation rate of many kinds of pharmaceuticals was positively correlated with ammonia nitrogen load,and decreased in varying degrees when ammonia oxidation was inhibited. Furthermore,it had been found that some co-metabolites had stronger ecotoxicity or persistence than parent compounds. In engineering application,the ability of ammonia oxidation co-metabolism to degrade pharmaceutical pollutants was affected by many factors,such as wastewater characteristics,process conditions and microbial population. In the follow-up research,attention should be paid to the ecological risk assessment of pharmaceutical metabolites,and the simultaneous and efficient removal of ammonia nitrogen and pharmaceutical pollutants by optimizing the treatment process and operation parameters.

Key words: co-metabolism, ammonia oxidizing microbes, pharmaceutical pollution

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