Dissolution of calcium carbonate solids with lactic acid

Details Dissolution of calcium carbonate solids with lactic acid Dissolution of calcium carbonate solids with lactic acid

C - Chemistry, Metallurgy

02

F

C02F 5/10 (2006.01) C02F 1/68 (2006.01) C02F 1/76 (2006.01)

Patent

CA 2196544

A process for dissolving calcium carbonate solids in the presence of an aqueous chlorine-containing solution without the formation of chlorine gas comprising adding a sufficient amount of lactic acid to the solution dissolving said solids.

Cette invention se rapporte à un procédé qui permet de dissoudre des particules solides de carbonate de calcium en présence d'une solution contenant du chlorure aqueux, sans la formation de gaz de chlore. Ce procédé consiste à ajouter à ladite solution une quantité suffisante d'acide lactique qui dissout lesdites particules solides.

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