芒硝制纯碱母液合成铵明矾工艺研究

Synthesis of ammonium alum by using the mother liquor obtained from sodium carbonate preparation based on mirabilite

研究了以芒硝复分解法制碳酸钠的母液和粗品硫酸铝为原料合成铵明矾的工艺，找出最佳工艺条件。

Below is a new process of synthesizing ammonium alum by means of semifinished aluminium sulfate and the mother liquor from the preparation of sodium carbonate through double decomposition as raw materials.Therein are found out the optimum technological conditions,which make the quality of products reach the state standard.