浸聚合物吸附剂用于从模型化物溶液和RAM模块中去除贵金属离子
Karolina Zinkowska1, Zbigniew Hubicki1, Grzegorz Wójcik1
1Department of Inorganic Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, Maria Curie-Skłodowska Sq. 2, 20-031 Lublin, Poland.
Materials (Basel, Switzerland)
|March 28, 2024
概括
一种新的Amberlite XAD-16-Aliquat 336吸附剂有效地从化物溶液中恢复黄金和等贵金属. 这种方法提供了一种可持续的方法,可以从电子垃圾中回收贵金属.
科学领域:
- 材料科学 材料科学 材料科学
- 环境化学环境化学
- 无机化学 无机化学 有机化学
背景情况:
- 减少的自然资源需要新的贵金属来源.
- 安伯莱特XAD-16-Aliquat 336是一种用于贵金属回收的新型吸附剂.
- 黄金,白金,和等贵金属是重要的工业材料.
研究的目的:
- 合成和表征一种用于贵金属回收的新吸附剂.
- 从化物溶液中研究Au(III),Pt(IV),Pd(II) 和Rh(III) 的吸附效率.
- 评估吸附剂在电子垃圾中回收贵金属方面的潜力.
主要方法:
- 一种"热浸"的方法被用来制备Amberlite XAD-16-Aliquat 336吸附剂.
- 在模型化物溶液上进行了吸附研究,调查了HCl度,吸附剂质量和接触时间等因素.
- 进行了动力和吸附等温研究.
主要成果:
- 合成的吸附剂显示出高的吸附能力:Au (III) - 94.34毫克/克,Pt (IV) - 45.35毫克/克,和Pd (II) - 46.03毫克/克.
- 吸附过程是内热的 (ΔH° > 0) 和自发的 (ΔG° < 0),表明了有利的条件.
- 从一个RAM模块的真实液中,有99.9%的黄金和45.4%的被去除.
结论:
- 安伯莱特XAD-16-Aliquat 336吸附剂有效地从化物溶液中回收贵金属.
- "热浸"方法为吸附剂制备提供了一种无毒的途径.
- 这种吸附剂显示了从电子废物中可持续回收贵金属的巨大潜力.
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