药品在加泰罗尼亚主要河流流域的废水和回收水中的环境风险评估
Pol Domínguez-García1, Ouwais Aljabasini1, Carlos Barata2
1Department of Analytical and Applied Chemistry, School of Engineering, Institut Químic de Sarrià-Universitat Ramon Llull, Via Augusta 390, 08017 Barcelona, Spain.
The Science of the total environment
|July 28, 2024
概括
药品污染了加泰罗尼亚的河流,水处理厂的下游水位更高. 这表明回收水对水质有影响,需要改善处理和监测,以保护水生生态系统.
科学领域:
- 环境化学环境化学
- 生态毒理学 生态毒理学
- 水资源管理 水资源管理
背景情况:
- 制药污染是一个重要的全球环境问题.
- 加泰罗尼亚的Llobregat和Besòs河流面临着制药污染的挑战.
- 再生水和废水处理厂 (WWTP) 是河流药品负载的重要贡献者.
研究的目的:
- 调查加泰罗尼亚的回收水和WWTP废水中的制药残留物.
- 评估这些排放对河水质量的影响.
- 评估WWTP的效率,并确定潜在的生态风险.
主要方法:
- 液体染色学-并联质谱学 (LC-MS/MS) 用于监测85种药物残留物.
- 预测环境度 (PECs) 被计算并与测量值进行比较.
- 风险评估使用风险系数 (RQ) 方法进行.
主要成果:
- 检测到特拉马多尔,洛萨坦和格姆菲布罗齐尔的度增加.
- 下游制药度超过了上游水平,表明回收水的影响.
- 在WWTP中,去除率很大 (10%99.8%),有些化合物处理不当.
- 阿托尔瓦斯塔丁和普罗马зин具有超出毒性值的生态风险.
结论:
- 迫切需要采取行动,解决加泰罗尼亚城市河流和回收水中的制药污染问题.
- 目前的WWTP显示特定药物化合物的治疗不足.
- 持续监测,毒性评估和改进的补救技术对于水质保护至关重要.
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