有效的希夫基联体,用于选择性地从水中去除Cd (ii) 和Pb (ii)
Amal E Mubark1, Sabreen M El-Gamasy2, Ahmed M Masoud1
1Nuclear Materials Authority P.O. Box 530, El Maddi Cairo Egypt amal_mubark2014@yahoo.com.
RSC advances
|June 30, 2025
概括
一种新型的希夫基联体有效地从水中去除 (II) 和 (II). 这种可持续材料在水处理中显示出重金属修复的高容量和选择性.
科学领域:
- 材料科学 材料科学 材料科学
- 环境化学环境化学
- 分析化学 分析化学
背景情况:
- 水溶液中的重金属污染对环境和健康构成重大风险.
- 有效和选择性地去除有毒的重金属,如 (II) 和 (II),对于水处理至关重要.
研究的目的:
- 开发和评估一种新的希夫基联体,以有效地从水溶液中去除 (II) 和 (II).
- 为了研究重金属修复的合成联体的吸附性能和机制.
主要方法:
- 希夫基联体的合成和表征 (2-((E) - ((4-aminophenylimino) 甲基) 酸).
- 批量吸附实验用于研究pH值,温度,金属离子度和接触时间的影响.
- 吸附异热和运动建模,热力学分析和可重复使用性测试.
主要成果:
- 该联体表现出高吸附能力:Pb (II) 的84.0 mg g-1和Cd (II) 的71.0 mg g-1在pH值6.0时.
- 吸附遵循伪二次动力学和最适合的兰迈尔和西普斯等温体,表明化学吸收.
- 这个过程是自发的和外热的,在真实的废水中具有出色的可重复使用性和选择性.
结论:
- 合成的希夫基联体是一种高效,选择性和可重复使用的吸附剂,用于Pb (II) 和Cd (II) 的去除.
- 这种新型连接物为水处理应用中的重金属整治提供了一个有希望和可持续的解决方案.
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