METHOD OF PRODUCTION OF ULTRA-DISPERSED CALCIUM CARBONATE Russian patent published in 2007 - IPC C01F11/18

Abstract RU 2293059 C2

FIELD: chemical technology; production of ultra-dispersed calcium carbonate.

SUBSTANCE: proposed method of production of ultra-dispersed calcium carbonate includes mixing of solutions salts containing calcium cations and carbonate - anions. After settling-out of calcium carbonate it is washed with simple ethers or lower alcohols or mixtures of simple ethers with lower alcohols or mixtures of lower alcohols with water.

EFFECT: enhanced efficiency.

5 ex

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RU 2 293 059 C2

Authors

Meshandin Aleksej Gavrilovich

Zhuravleva Ol'Ga Vladimirovna

Dates

2007-02-10—Published

2004-04-30—Filed