量身定制的低融混合溶剂,具有高选择性和高效率,用于和的提取
Liqing Li1, Zhong Tian2, Hepeng Zhang3
1School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, PR China.
Journal of hazardous materials
|July 19, 2025
概括
这项研究介绍了一种新的,环保的溶剂系统,用于从盐湖盐水中提取和. 开发的低融混合溶剂 (LoMMSs) 实现高 (99%) 和 (82%) 的提取率,提供可持续的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 绿色化学 绿色化学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 和是盐湖盐水中发现的关键元素,由于的稀缺性,对的需求越来越大.
- 传统的提取方法带来环境风险和过程挑战,阻碍了工业应用.
- 深度浸泡溶剂 (DES),特别是低化混合溶剂 (LoMMS),作为替代提取剂,提供可调节的性能和环境可持续性.
研究的目的:
- 开发一种新型,环保的溶剂,从盐湖盐水中选择性提取.
- 为了研究除后的协同提取.
- 建立一个全面的资源提取战略盐湖盐水利用LoMMSs.
主要方法:
- 开发一种新型的LoMMSs系统,使用三聚氧化物 (TOPO) 作为键接受器 (HBA) 和2-乙基-1,3-二醇 (EHD) 作为键捐赠器 (HBD).
- 使用TOPO:EHD (1:2) 系统优化酸 (H3BO3) 的提取条件.
- 机械研究涉及富里埃变换红外光谱 (FT-IR) 和量子化学计算.
- (Li) 的协同提取,使用基于薄荷醇 (ML) 和微酸盐 (TBP) 的LoMMS与FeCl3.3结合.
主要成果:
- 在优化条件下,TOPO:EHD (1:2) LoMMSs系统实现了99%的提取率.
- 机械学研究证实了通过结和化形成稳定的-LoMMSs复合物的形成.
- 在除去后,使用基于薄荷/三酸的LoMMSs系统实现了的82%的协同提取率.
结论:
- 开发的TOPO:EHD LoMMSs系统提供了一种高效和选择性的方法,用于从盐湖盐水中提取酸.
- 该研究表明,使用LoMMSs从盐湖盐水中全面提取和等有价值元素的可行策略.
- 这种方法为传统的开采方法提供了更绿色,更可持续的替代方案,解决了环境问题和资源稀缺问题.
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