| 申请日期 | 2025-02-25 | 申请号 | US15782315 |
| 公开（公告）号 | US20180100065A1 | 公开（公告）日 | 2018-04-12 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | United States Department of Energy | ||
| 简介 | Materials, methods of making, and methods of using a stable and regenerable immobilized amine sorbents for rare earth element and heavy metal recovery from liquid sources. Embodiments of the invention relate to the novel combination of different polyamines, primarily polyethylenimine Mw=800 (PEI800), and an epoxysilane, namely 2-(3, 4-epoxycyclohexyl)ethyltrimethoxysilane (ECTMS), covalently immobilizing the REE and heavy metal-adsorbing amine sites within low cost, porous silica particles. | ||
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