Li Zhi-xiang
2008
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Phosphate and Compound Fertilizer
Abstract
The comprehensive utilization of by-product fluosilicic acid is investigated.The technology for production of hydrofluoric acid and white carbon black from fluosilicic acid is introduced and the optimal conditions are determined by investigating process parameters at Yuntianhua International Chemical Co.,Ltd.The quality index of obtained 40% hydrofluoric acid and white carbon black and the technical performance of white carbon black are also investigated.A advantaged condition for comprehensive utilization of fluosilicic acid is created with the construction of large-scale WPA plant.