The influence of preparation of raw material,filter medium,mode of crystallization,quantity of aids on production of high purity aluminium ammonium sulfate is studied.

• 研究了原料制备、过滤介质、结晶方式、助剂投量对高纯硫酸铝铵生产的影响,提出了新的工艺路线,给出了最佳操作条件,产品完全满足用户的需求。