A new technology for producing PCC directly in the causticizing stage is reported in this paper.

介绍了一种苛化工段产沉淀钙的新技术。

Experiments show that causticizing by adding a small quantity of slaked lime can eliminate the interference of carbonate ions and humic acid salts.

添少量的熟石灰可即刻消除和腐植盐等有机杂质的影响。