Physicochemical properties of highly active potassium fluoride prepared from industrial by-product fluorosilicic acid
With the decreasing of fluorite resources,the utilization value of fluorine resources in phosphate rock is becoming more and more prominent,especially in the context of the rapid development of fluorine chemical industry and new energy field,the utilization of fluorine resources in phosphate rock is gradually becoming a trend.Fluorosilicic acid,which is a by-product of wet-process phosphoric acid,is used to prepare potassium fluoride,and the process conditions are optimized.The products prepared by the 500 t/a potassium fluoride plant are analyzed by SEM,XRD,BET and other analytical methods.The results show that the purity of the potassium fluoride product is high,meeting the first-class product indicators of HG/T 2829-2008"Industrial Anhydrous Potassium Fluoride",and also meeting the requirements of high activity potassium fluoride.
potassium fluoridefluosilicic acidphysical and chemical properties
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