Днепродзержинский Государственный Технический Университет
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Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
(AREA)
Abstract
A method for the production of calcium nitrate, comprising the treatment of the suspended by circulating solution of calcium nitrate of burnt lime by nitric acid, separation of insoluble impurities from the obtained solution, concentration of the solution and granulation, and before the suspending of the burnt lime to the circulating solution of calcium nitrate the additive of salts is added, and the treatment is carried out by nitric acid solution of high concentration.
UAA200907301A2009-07-132009-07-13Method for the production of calcium nitrate
UA91463C2
(en)
Method for purifying raw phosphoric acid (e.g. mga acid) by adding ashes originating from waste incineration plants, comprising the production of pure phosphoric acid, calcium sulfate, water-soluble calcium hydrogen phosphates and metal salt solution
EXTRACTION OF CARBONIC ACID FROM ITS MAGNETIC SALTS BY DEPOSITION USING CHLRIDE HYDROGENIC ACID, SUITABLE FOR SEPARATION OF THE PRODUCT OF REACTION FROM THE ENZYMATIVE BULON