含高价铜Cu(Ⅲ)钙钛矿型复合金属氧化物及其制备方法和应用

By preparing the high-valent copper Cu(III) perovskite-type composite metal oxide LaMn1-XCuXO3, the problems of instability of high-valent copper materials and the difficulty in degradation of organophosphonates were solved, achieving efficient and environmentally friendly oxidative degradation, which is suitable for industrial applications.

CN118005080BActive Publication Date: 2026-07-17WUHAN UNIV OF TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WUHAN UNIV OF TECH
Filing Date
2024-01-22
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies make it difficult to synthesize stable high-valence copper materials, and existing oxidants suffer from low efficiency, high cost, and significant pollution when treating organophosphonates such as aminotrimethylenephosphonic acid (NTMP).

Method used

LaMn1-XCuXO3, a perovskite-type composite metal oxide containing high-valence copper Cu(III), was prepared by all-solid-phase reaction. It was then prepared by low-temperature calcination in air to form a stable perovskite-type crystal structure. Combined with ball milling activation process, it achieved efficient oxidative degradation of organophosphorus compounds.

Benefits of technology

The prepared high-valence copper Cu(III) perovskite-type composite metal oxide exhibits excellent oxidative degradation effects on organophosphorus compounds, with an oxidation rate of over 60% for NTMP and a removal rate of 88%. The process is simple, environmentally friendly, and suitable for industrial production.

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Abstract

本发明提供了一种含高价铜Cu(Ⅲ)钙钛矿型复合金属氧化物,所述含高价铜Cu(III)钙钛矿型复合金属氧化物具有稳定的钙钛矿型晶体结构,其化学式为LaMn1‑XCuXO3,0.1≤X≤0.6,含高价铜Cu(Ⅲ)钙钛矿型复合金属氧化物中三价铜的含量占总铜含量的19.3%以上,最高可达37.4%,三价铜含量高,具备优异的氧化能力,对一般有机污染物的氧化降解效果好,且对于一般情况下难以降解的有机膦酸盐污染物氨基三亚甲基膦酸(NTMP)具有优异的氧化降解效果,其对NTMP的降解氧化率为60%以上。
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