制备嵌入Ag (I) 协调聚合物的pH敏感复合聚硫膜,用于去除阴离子和离子染料
Parisa Daraei1, Elham Rostami2, Farzad Nasirmanesh1
1Department of Chemical Engineering, Kermanshah University of Technology, 67156, Kermanshah, Iran.
Journal of environmental management
|September 27, 2023
概括
这项研究引入了一种新型的pH敏感聚硫 (PES) 膜,增强了银I) 协调聚合物 (AgI) -CP) 颗粒. 新的膜通过调整pH值,有效地从废水中去除了阴离子和阴离子染料.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 聚硫 (PES) 膜广泛用于水处理.
- 开发用于多种染料去除的选择性膜仍然是一个挑战.
- 金属有机框架 (MOF) 为膜应用提供可调节的特性.
研究的目的:
- 开发一种pH敏感的PES膜,以有效地去除阴离子和阴离子染料.
- 调查银 (I) 协调聚合物 (Ag (I) -CP) 作为PES膜中的添加剂的作用.
- 评估料pH值对染料去除效率和膜性能的影响.
主要方法:
- 合成的Ag(I) -CP粒子.
- 使用Ag ((I) -CP.结合的PES膜的制造.
- 膜特性 (形态,性能) 的表征.
- 在不同的pH条件下对酸7 (AO) 和甲蓝 (MB) 的染料去除实验.
主要成果:
- 添加剂Ag ((I) -CP提高了PES膜的染料选择性.
- 膜表现出pH敏感的染料去除,有效去除97%的AO和100%的MB.
- 根据AgI-CP的零电荷点 (pHpzc) 调整料pH,优化了染料的去除.
- 在修改后的膜中观察到增强的透流.
- 最佳的Ag ((I) -CP含量保持了膜形态的统一性.
结论:
- 将Ag(I) -CP嵌入PES膜中,可以产生协同效应,以有效地去除染料.
- 修改后的膜的pH敏感性允许选择性去除阳离子和阴离子染料.
- 这种方法为废水处理和染料修复提供了一个有前途的战略.
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