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Updated: May 20, 2025

Facile Preparation of Ultrafine Aluminum Hydroxide Particles with or without Mesoporous MCM-41 in Ambient Environments
Published on: May 11, 2017
Dissolution of zero-valent Al and its structural transformation in chloride molten salts
Junheng Yingsu1,2, Yiyang Liu3, Jianchao Sun1,2
1State Key Laboratory of Thorium Energy, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China. fuxiaobin@sinap.ac.cn.
Abstract:
Molten salts are extensively used in the aluminum production and recycling industries. In this study, we discovered that metallic Al can directly dissolve into molten salts in its zero-valent state, forming nanoclusters-an unusual phenomenon as metals typically dissolve in molten salts in various oxidation states due to corrosion. The dissolved Al can gradually oxidize due to water or oxygen impurities during its diffusion within the molten salts. We thoroughly investigated the interactions between Al and molten salts and analyzed the structure of the reaction products using HT-NMR methods. These findings provide a novel explanation of the interactions and corrosion processes between metals and molten salts.
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