在MIL-88 A(Fe) @β-CD上进行创新的零价值装饰,以实现高效和可重复使用的cr(VI) 清除
Eman M Abd El-Monaem1, Nouf Al Harby2, Mervette El Batouti3
1Advanced Technology Innovation, Borg El-Arab, Alexandria, Egypt.
Scientific reports
|February 5, 2025
概括
一种新的磁性复合材料,ZVCo-MIL-88 A(Fe) @β-CD,显著提高了 (VI) 清除效率和可回收性. 这种吸附剂可达到94.02%的Cr(VI) 去除,为水处理提供了一个有前途的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 环境化学环境化学
- 纳米技术 纳米技术
背景情况:
- (VI) 是一种有毒的重金属污染物,具有严重的环境和健康影响.
- 开发高效和可回收的吸附剂对于污染水源的Cr (VI) 整治至关重要.
研究的目的:
- 制造一个磁性ZVCo-MIL-88 A(Fe) @β-CD复合材料,用于增强Cr(VI) 的去除.
- 研究开发的吸附剂的吸附性能,可回收性和潜在机制.
主要方法:
- 用ZVCo对MIL-88 A(Fe) @β-CD进行合成后装饰,以创建磁性复合材料.
- 批量吸附实验,以评估在各种条件下 (pH,剂量,度) 的CrVI去除效率.
- 动力学,等温,XPS和泽塔电位分析以了解吸附机制.
主要成果:
- ZVCo装饰显著改善了Cr (VI) 的吸附率,从73.07%提高到94.02%.
- 复合材料具有很好的可回收性,装饰后的去除效率达到84.98%.
- 在pH值为3,剂量为0.5g/L,度为50mg/L的CrVI时,达到94.02%的最佳吸附率.
- 在一小时内达到快速吸附平衡,表明快速去除动力学.
结论:
- 磁性ZVCo-MIL-88 A(Fe) @β-CD复合材料是一种高效和可回收的吸附剂,用于去除Cr (VI).
- 吸附涉及物理和化学途径的组合,包括减少,协调,静电相互作用和孔隙填充.
- 这种材料在废水处理中具有很大的实际应用潜力.
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