Nickel-iron powder material, method for preparing the same, and method for leaching the nickel-iron powder material
By preparing nickel-iron powder materials with a water contact angle ≤50° and sphericity ≤0.7, and by adopting optimized atomization process and acid leaching method, the problem of low leaching efficiency during the acid leaching process of atomized nickel-iron powder materials was solved, and the acid leaching rate was significantly improved and the production cycle was shortened.
CN122400550APending Publication Date: 2026-07-17GUANGDONG BRUNP RECYCLING TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- GUANGDONG BRUNP RECYCLING TECH CO LTD
- Filing Date
- 2026-04-22
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing atomized nickel-iron powder materials have low leaching efficiency during acid leaching, resulting in extended production cycles.
Method used
By preparing nickel-iron powder materials with a water contact angle ≤50° and sphericity ≤0.7, and using optimized atomization process and acid leaching method, including mixing materials, smelting, atomization and post-treatment, and controlling parameters such as smelting temperature, solution flow rate and nickel-iron powder addition rate, nickel-iron powder with excellent morphology is formed.
Benefits of technology
It significantly improved the acid leaching rate, increased the contact area between the acid and the material, promoted the reaction rate, and shortened the production cycle.
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Figure CN122400550A_ABST
Abstract
本发明公开了镍铁粉材料及其制备方法、镍铁粉材料的酸浸方法，涉及镍矿冶炼技术领域。本发明提供的镍铁粉材料具有水接触角小的特点，使其易于润湿，能够显著提高酸浸的速率。镍铁粉材料的水接触角≤50°，接触角的大小，反映材料的亲疏水性，水接触角太大则会导致过度疏水，会出现漂浮或团聚于液面的问题，使酸液难以浸润材料，进而影响反应速率。
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