用低成本结构化纳米和微复合材料水凝珠在摩洛哥粘土上使用酸盐-CMC-生物炭去除硫法迪亚
Jaber Raissouni1, Khalid Draoui2, Ahmed Ait Aghzzaf3
1Materials Engineering and Sustainable Energy Laboratory, FS, Abdelmalek Essaadi University, Tetouan, Morocco; Nanomaterials, Technologie and Innovation Group, ENS, Abdelmalek Essaadi University, Tetouan, Morocco; Department of Soil Science and Agricultural Chemistry, Engineering Polytechnic School, University of Santiago de Compostela, 27002, Lugo, Spain.
Journal of environmental management
|January 9, 2025
概括
由酸盐,碳甲基纤维素和摩洛哥粘土制成的新型水凝珠有效地去除了抗生素硫法迪亚. 最好的复合材料实现了800μmol/kg的吸附,显示出对环境修复的希望.
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:
- 水中的抗生素污染对公众健康和生态系统构成风险.
- 开发高效,具有成本效益的吸附剂以去除污染物至关重要.
- 酸盐,碳甲基纤维素和生物炭是复合吸附剂开发的有希望的材料.
研究的目的:
- 为了合成和表征pH敏感的纳米和微复合材料水凝珠.
- 为了评估这些珠子对抗生素硫法迪亚 (SDZ) 的吸附能力.
- 用计算方法研究吸附机制.
主要方法:
- 复合水凝珠使用酸盐 (AL),碳氧甲基纤维素 (CMC),生物炭 (BC) 和两种摩洛哥粘土 (Ghassoul - SW,红色 - NSW) 制备.
- 进行了吸附实验,以确定SDZ去除能力.
- 用XRD,FT-IR和SEM进行材料的表征.
- 使用包括DFT,MEP,MC模拟和HS分析在内的计算方法来了解吸附机制.
主要成果:
- 对于SDZ,SW + AL + CMC复合水凝珠的最大吸附能力为800μmol/kg.
- 这种复合物显示出超过100%的吸附效率,吸附率为0%.
- 计算分析提供了对SDZ吸附相互作用部位和机制的见解.
结论:
- 在SW + AL + CMC纳米复合物水凝珠是高效的硫法迪亚去除.
- 这些材料为环境修复和公共卫生保护提供了有前途的解决方案.
- 该研究强调了粘土聚合物复合材料在废水处理中的潜力.
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