畜禽养殖污水所含典型抗生素在人工湿地中的去除途径探讨

刘琳; 辛宇; 姚彤; 韦莉莉; 刘超翔

doi:10.13205/j.hjgc.202006016

畜禽养殖污水所含典型抗生素在人工湿地中的去除途径探讨

doi: 10.13205/j.hjgc.202006016

刘琳^1,2,3,
辛宇^1,2,
姚彤¹,
韦莉莉¹,
刘超翔^1, ,

1. 中国科学院城市环境研究所, 福建厦门 361021;
2. 中国科学院大学, 北京 100049;
3. 中国科学院海西创新研究院, 福州 350002

基金项目:

中国科学院战略性先导科技专项(XDA23020500)

国家自然科学基金(51678553)。

福建省社会发展引导性项目(2018Y0083)

详细信息

作者简介:
刘琳,男,硕士,副研究员,主要研究方向为污水处理与资源化。lliu@iue.ac.cn

通讯作者:
刘超翔,男,博士,研究员,主要研究方向为污水生态处理与回用。cxliu@iue.ac.cn

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出版历程
- 收稿日期: 2019-06-24

REMOVAL PATHWAYS OF TYPICAL ANTIBIOTICS FROM LIVESTOCK WASTEWATER BY CONSTRUCTED WETLAND

LIU Lin^1,2,3,
XIN Yu^1,2,
YAO Tong¹,
WEI Li-li¹,
LIU Chao-xiang^{1
, ,}

1. Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China;
3. Fujian Institute of Innovation, Chinese Academy of Sciences, Fuzhou 350002, China

摘要

摘要: 人工湿地处理畜禽养殖污水过程中,吸附作用为土霉素、环丙沙星和磺胺二甲基嘧啶在系统内的首要去除途径,其在3种抗生素去除过程中所占相对贡献比例分别为75%、85%和62%。水解作用为土霉素和环丙沙星在湿地中去除的次要途径,其对两者去除的贡献比例分别为21%和19%;磺胺二甲基嘧啶的次要去除途径为微生物降解作用(23%),而水解作用贡献比例仅为13%。通过对比无传统污染物添加组别分析结果,研究发现传统污染物存在不会对抗生素吸附作用产生显著影响,但土霉素和环丙沙星水解去除途径的贡献度会分别降低7%和5%,微生物降解对磺胺二甲基嘧啶的去除作用比例会提升21%。
- 养殖污水 /
- 人工湿地 /
- 水解 /
- 吸附 /
- 生物降解
Abstract: In this paper, with the conventional pollutants addition, adsorption was found out as the main removal pathway of oxytetracycline, ciprofloxacin and sulfamethazine in the constructed wetland, and its contribution rates of that were 75%, 85% and 62%, respectively. Hydrolysis was the secondary removal pathway of oxytetracycline and ciprofloxacin (21% and 19%), and biodegradation was the secondary removal pathway of sulfamethazine (23%). Compared to the treatment group without conventional pollutants addition, the effect of conventional pollutants on antibiotics adsorption was not significant, yet that could inhibit hydrolysis process of oxytetracycline and ciprofloxacin (about 7% and 5%), and conventional pollutants could enhance contribution of biodegradation for sulfamethazine (about 21%).
- livestock wastewater /
- constructed wetland /
- hydrolysis /
- adsorption /
- biodegradation

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参考文献(25)

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