Adsorbent for removing metal ions in alcohol ether solvent as well as preparation method and application of adsorbent

By developing adsorbents based on zirconium-based metal organic cages, using the ion nano-hard structure to efficiently adsorption and removal of trace metal ions in alcohol ether solvents, the problem of metal ions contamination in alcohol ether solvents is solved, and the efficient and selective metal ion removal effect is achieved.

CN119708516AActive Publication Date: 2025-03-28HEFEI UNIV OF TECH +1
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Patent Information

Application Number
CN202411833955.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-03-28
Estimated Expiration
2044-12-13

AI Technical Summary

Technical Problem

Alcohol ether solvents are easily contaminated by trace metal ions during production, storage and use, which affects their performance and poses potential harm to the environment and human health. It is difficult for the prior art to remove these metal ions efficiently.

Method used

A sorbent based on zirconium-based metal organic cage was developed. By constructing an ion nanowell structure, the limited-domain pyrazine nitrogen-active cage formed by zirconium clusters and organic ligands were used to achieve efficient adsorption and removal of trace metal ions in alcohol ether solvents.

Benefits of technology

This adsorbent significantly improves the removal efficiency of metal ions, the adsorption removal efficiency is higher than 96%, and the preparation process is simple, which is convenient for industrial applications and strengthens the solvent purification process.

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Abstract

The invention discloses an adsorbent for removing trace metal ions in an alcohol ether solvent as well as a preparation method and application of the adsorbent, and belongs to the technical field of chemical separation. The adsorbent is a zirconium-based metal organic cage material with a discrete structure, and the zirconium-based metal organic cage material is formed by coordination self-assembly of zirconium metal salt and nitrogen-containing polycarboxylic acid organic ligands. The adsorbent provided by the invention has a specific ion nanometer well, and can form a relatively strong confinement synergistic effect with metal ions. The adsorbent disclosed by the invention is suitable for adsorbing and separating trace metal ions in various alcohol ether solvents, and has relatively high metal ion adsorption and removal efficiency.
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