A new technology to produce potassium alum by soaking the alunite ripe breeze dilute sulfuric acid was introduced. Technological process and experimental conditions are described.

• 介绍一种利用明矾石熟矿粉稀酸浸取特性来生产钾明矾的工艺方法,简要叙述了工艺过程和试验情况。