使用酸盐修饰的磁纳米粒子从水溶液中吸附Mo(VI) 的吸附行为
Elsayed M Abu Elgoud1, Ahmed I Abd-Elhamid2, Hisham F Aly3
1Nuclear Fuel Chemistry Department, Hot Laboratories Center, Egyptian Atomic Energy Authority, Cairo, 13759, Egypt. elsayedmustafa36@yahoo.com.
Environmental science and pollution research international
|February 14, 2024
概括
一种新的磁纳米粒子Mnp-Si-W有效地从水中去除. 这种吸附剂显示出高容量和选择性,为修复提供了可重复使用的溶液.
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:
- 水溶液中的 (Mo(VI)) 污染对环境和健康构成风险.
- 需要有效和选择性的吸附剂来去除.
- 磁纳米粒子在分离和回收方面具有优势.
研究的目的:
- 为了合成和描述一种用于吸附的新型磁纳米粒子 (Mnp-Si-W).
- 调查Mnp-Si-W对Mo的吸附性能和机制.
- 评估开发的吸附剂的选择性和可重复使用性.
主要方法:
- 合成和Mnp-Si-W磁性纳米粒子的表征.
- 批量吸附实验以研究Mo ((VI) 的去除.
- 吸附异温和动力学研究 (Langmuir,伪二阶).
- 对竞争性离子和干扰性离子的研究.
主要成果:
- Mnp-Si-W纳米粒子已经成功合成和表征.
- ) 吸附遵循兰格穆尔模型,在pH值2.0时最大容量为182.03mg/g.
- 吸附动力学遵循一个伪二阶模型.
- 吸附剂对比竞争对手离子具有很高的选择性.
- 酸盐,硫酸盐和酸盐显示出不同的干扰水平.
结论:
- Mnp-Si-W 是一种高效的吸附剂,用于从水溶液中去除Mo(VI).
- 兰穆尔模型和伪二阶动力学准确地描述了吸附过程.
- 磁纳米粒子在五个周期内表现出极好的选择性和可重复使用性.
- Mnp-Si-W 是一个有前途的材料用于整治应用.
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