A rare earth ion adsorbent, a preparation method and application thereof

CN122321815APending Publication Date: 2026-07-03INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES
Filing Date
2026-04-01
Publication Date
2026-07-03

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Abstract

This invention relates to a rare earth ion adsorbent, its preparation method, and its application. The rare earth ion adsorbent is a hypercrosslinked microsphere containing sulfonic acid functional groups and a microporous structure. The rare earth ion adsorbent provided by this invention has a simple preparation method, exhibits high selectivity, high adsorption capacity, high adsorption rate, and excellent recycling performance for rare earth ions, and demonstrates a high rare earth ion recovery rate in actual dynamic column adsorption of wastewater.
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