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使用合式活性炭从地下水中去除选定的制药污染物
Shahd Alghamdi1, Bassam Tawabini2,3, Abdullah Abdullah4
1Geosciences Department, College of Petroleum Engineering and Geosciences,King Fahd University of Petroleum and Minerals, 31261, Dhahran, Saudi Arabia.
Scientific reports
|February 12, 2026
概括
体活性炭有效地从地下水中去除药物污染物,如卡巴马西平,拉莫特里金和咖啡因. 这项研究表明,CAC吸附是一种有前途的现场补救技术,可以为更清洁的饮用水提供补救.
科学领域:
- 环境科学 环境科学
- 水处理技术水处理技术
- 吸附科学 吸附科学
背景情况:
- 制药品对地下水的污染对全球健康构成重大风险.
- 人类活动是新兴的制药污染物在淡水资源的主要来源.
- 有效的补救策略对于确保饮用水供应安全至关重要.
研究的目的:
- 评估合活性炭 (CAC) 在从污染的地下水中去除卡巴马西平 (CBZ),拉莫特里金 (LTG) 和咖啡因 (CAF) 的功效.
- 研究CAC的物理化学特性及其对吸附性能的影响.
- 通过在模拟的现场条件下进行固定床柱实验来优化移除效率.
主要方法:
- 固定床柱实验使用CAC与沙碳酸盐材料混合进行.
- 使用SEM/EDX,BET表面积分析,粒子大小分布和泽塔电位测量来表征CAC的物理化学特性.
- 使用高性能液体染色学 (HPLC) 量化了流入水和废水中的药物度.
主要成果:
- CAC具有高碳含量 (95.68%) 和大表面积 (1112.24 m2/g) 的多孔结构.
- 在1毫升/分钟的流量,2克的CAC剂量,20毫克/升的初始度和50:50的沙碳酸盐床下,可以实现CBZ,LTG和CAF的最佳去除.
- 在优化条件下,观察到目标药物的约40%的去除效率.
结论:
- 体活性炭显示出作为吸附剂的显著潜力,用于从地下水中去除制药污染物.
- 使用CAC吸附是一种可行且有前途的技术,用于现场地下水整治.
- 进一步的研究可以优化CAC的应用,以在现实世界中提升药物清除效果.
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