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直接生产酸钙的新技术。
Experiments show that causticizing by adding a small quantity of slaked lime can eliminate the interference of carbonate ions and humic acid salts.
添少量的熟石灰可除酸根和腐植酸盐等有机杂质的影响。
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