PROMOTER COMPOSITIONS FOR ACCELERATING HYDRAULIC ANHYDRITE UTILIZATION AND METHODS OF USING THE SAME

摘要

P THE PRESENT INVENTION CONCERNS A PROCESS FOR ACCELERATING THE HYDRAULIC SETTING OF ANHYDRITE, CHARACTERIZED IN THAT THE MEANS ARE USED TO ACCELERATE THE FORMATION OF JAROSITE DURING THE MIXTURE OF ANHYDRITE WITH WATER, SAID MEANS PREFERABLY CONSTITUTED BY FERROUS SULPHATE AND POTASSIUM NITRATE; IT ALSO CONCERNS, AS ADDITIVES PROMOTING THE USE OF ANHYDRITE, THE USE OF THE SAID MEANS. /P