Easily soluble aluminum oxide and preparation method thereof

The invention discloses easy-to-dissolve aluminum oxide and a preparation method thereof, and relates to the technical field of aluminum oxide production. According to the method, aluminum hydroxide and a low-concentration sodium aluminate solution are used as raw materials and subjected to a high-temperature and high-pressure chemical reaction, a reaction product is separated and washed to obtain the aluminum oxide hydrate, and the obtained aluminum oxide hydrate is subjected to low-temperature roasting to obtain the easily-soluble aluminum oxide product. The preparation method provided by the invention is simple and easy to implement, not only can optimize the particle size and the crystal structure of the alumina product, but also improves the surface activity, the dispersing performance, the flowing property and the dissolving property of the alumina. 本发明公开了一种易溶解氧化铝及其制备方法，涉及氧化铝生产技术领域。本发明中以氢氧化铝和低浓度铝酸钠溶液为原料，进行高温高压化学反应，分离洗涤反应产物后得到所述氧化铝水合物，将得到的氧化铝水合物进行低温焙烧后即可得到易溶解氧化铝产品。本发明所提供的制备方法简单易行，不仅能够优化氧化铝产品粒度和晶型结构，同时提高氧