摘要：介绍了以工业氢氧化铝或工业硫酸铝为原料制备高纯氧化铝微粉的方法。通过溶液精制、中和、洗涤、分散、煅烧等过程可得到纯度为99.99%、产品粒度为1μm的氧化铝微粉。

关键词： 中和法;氧化铝微粉;制备

Abstract：T he method with which high pure alumina micropowders are prepared as material of industrial aluminum hydroxide or industrial aluminum sulphate is introduced．Alumina micropowder whose purity is99．99％ particle size is1μm can be obtained by polishing neutralizing washing dispersing and calcining．

Keywords：neutral method；alumina micropowders；preparation