通过农业废物基生物炭在水相中的药物的比较去除
Bomin Fu1,2,3, Qizhou Chen4, Mohamad Sleiman5
1National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Faculty of Innovation Engineering, Macau University of Science and Technology, Macao SAR, China.
概括
生物炭吸附剂有效地从水中去除药品. 小麦生物炭 (WSP700) 显示了最高的吸附率,由静电相互作用和结合驱动,为净化水提供了低成本的解决方案.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 水处理 处理水的方法
背景情况:
- 全球制药使用导致广泛的水污染.
- 需要有效的策略来从水生环境中去除药品.
- 从农业废物中提取的生物炭提供了一个可持续的吸附剂选择.
研究的目的:
- 为了评估Miscanthus和小麦中的生物炭作为药品的吸附剂.
- 研究吸附机制和影响因素 (温度,pH,度).
- 为了提供对低成本的药物从水中去除的见解.
主要方法:
- 在不同温度 (550°C,700°C) 下合成和表征生物炭 (MSP,WSP).
- 佩米特雷克塞德,硫法克洛辛和特尔布他林的吸附实验.
- 对吸附动力学,热力学和机制 (FTIR,拉曼,量子化学) 的分析.
主要成果:
- 吸附能力按照以下顺序进行:WSP700 > MSP700 > MSP550 > WSP550.
- 更高的药物度和温度增强吸附.
- 最佳的pH值有所不同:对于PEME/SCL是酸性的,对于TBL是中性的;静电和键是关键机制.
结论:
- 生物炭吸附剂显示出从水中去除各种药物的巨大潜力.
- WSP700是一种高效的吸附剂,吸附受pH值,温度和度的影响.
- 了解吸附机制有助于开发高效的水处理技术.
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