从污水污泥制成的农业肥料中的抗菌剂 - - 值得关注吗?
Katarzyna Styszko1, Wioleta Bolesta2, Adegbenro Peter Daso3
1AGH University of Krakow, Faculty of Energy and Fuels, Department of Fuels Technology, al. Mickiewicza 30, 30-059 Kraków, Poland.
The Science of the total environment
|January 11, 2025
概括
污水污泥可以用于有机矿物肥,但含有抗菌剂 (AAs). 虽然一些AAs在处理过程中减少,但另一些则缩,构成潜在的土壤风险,而阿齐思罗迈表明了高环境危险.
科学领域:
- 环境化学环境化学
- 土壤科学 土壤科学
- 生态毒理学 生态毒理学
背景情况:
- 来自污水污泥的有机矿物肥提供了生态管理的好处.
- 药品,包括抗菌剂 (AAs),可以积聚在污水污泥中,造成环境风险.
- 了解污泥化肥中AAs的命运和影响对于可持续的废物管理至关重要.
研究的目的:
- 评估污水污泥基肥料中的抗菌剂 (AAs) 相关的风险.
- 在污泥处理过程中量化AA的存在和去除.
- 评估泥基肥料中AAs的泄漏潜力和环境风险.
主要方法:
- 在两个波兰废水处理厂 (WWTP) 的污水泥和衍生肥料中分析了99种抗菌剂 (AAs).
- 在污泥加工过程中量化AA度和去除速度.
- 浸出试验,以确定AAA迁移到土壤中的潜力.
- 计算风险系数 (RQ) 以评估环境影响.
主要成果:
- 在污泥中检测到26个AA,其度高达112,000μg/kg.
- 在污泥处理过程中观察到的几个AA显著减少 (3496.5%).
- 由于干燥,素V和ofloxacin/levofloxacin度在肥料中增加,表明度影响.
- 七个AA显示出可能入土壤的潜力.
- 亚齐思罗米呈现出高环境风险 (RQ>36),而异化和克林达米显示出低风险.
结论:
- 基于污水污泥的肥料可以含有大量的抗菌剂 (AAs).
- 在肥料生产过程中,某些AAs的度可能会增加,因此需要谨慎管理.
- 虽然大多数AAs具有低至轻微的环境风险,但由于高风险潜力,阿齐思罗米需要进一步调查.
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