In this paper, 4A molecular sieves,activated clay and aluminum sulfate were prepared with the exhausted acid and alkali in the process of 4A molecular sieves by bentonite.

• 本文研究了膨润土制备4A分子筛过程中产生的废酸碱液的综合利用,制备了4A分子筛、活性白土和硫酸铝,产品性能符合国家有关标准。