从水溶液中吸附除草剂草甘的奇托桑-本托尼特复合物吸附
Lama Rissouli1,2, Mohamed Chabbi1, Mohamed Berradi3
1Laboratory of Physico-Chemistry Materials, Department of Chemistry, Faculty of Sciences and Techniques, Natural Substances and Environment, Abdel MalekEssaadi University, Tangier, Morocco.
Environmental monitoring and assessment
|February 5, 2025
概括
酸盐-酸盐复合物 (CBC) 为从水中去除草甘除草剂提供了一个环保的解决方案. CBC 2/8复合材料表现出最佳性能,显示了可持续废水处理的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 化学 化学 化学
背景情况:
- 传统的吸附剂用于净化水的污染通常是昂贵的和难以获得的.
- 草甘是一种广泛使用的除草剂,对水生生态系统构成风险.
- 需要为除草剂清除提供成本效益和环保的替代方案.
研究的目的:
- 开发和表征酸盐-酸盐复合物 (CBC) 用于从水溶液中去除草甘.
- 为了研究不同基托桑/本托尼特比率对吸附效率的影响.
- 用CBC确定草甘去除的最佳条件和吸附机制.
主要方法:
- 酸盐-丁酸盐复合物 (CBC) 样本以不同的比例 (2/1, 2/2, 2/4, 2/8, 2/10) 进行合成.
- 使用X射线衍射 (XRD),里埃变换红外光谱 (FTIR) 和扫描电子显微镜 (SEM) 进行了表征.
- 进行了吸附实验,以评估在不同条件下 (pH,吸附剂剂量,初始度,接触时间) 的草甘去除效率.
主要成果:
- CBC 2/8复合物表现出最高的草甘吸附能力 (1.18 mg/g在平衡状态下,最大的朗慕尔容量为133 mg/g).
- 最佳吸附条件是pH值3.76,吸附剂剂量50毫克,初始度10毫克/升,接触时间8小时.
- FTIR和XRD分析证实了奇托和本托尼特之间的成功相互作用和互,而SEM显示了结构修改.
结论:
- 奇托桑-本托尼特复合材料是从废水中去除草甘的有希望,经济和无毒的替代品.
- CBC 2/8比率表现出卓越的性能,突出了材料成分在吸附效率中的重要性.
- 这项研究强调了基托桑基复合材料在水生环境中可持续管理农业污染物的潜力.
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