Fluorosilicic acid two-step preparation of anhydrous hydrogen fluoride technology through expert review
China Drying Network News Shandong Zibo Haihui Engineering Design Consulting Co., Ltd. independently developed two-step fluorosilicic acid to prepare anhydrous hydrogen fluoride technology through expert review. The technology solves the technical problem that for a long time phosphorus chemical byproduct fluorosilicic acid is difficult to prepare anhydrous hydrogen fluoride.
According to reports, this technology uses fluorosilicic acid, a by-product of phosphorus chemical industry, as the main raw material. The first step is to first desiliconize and calcine the fluorosilicic acid to make artificial calcium fluoride. The calcium fluoride content of the main component of artificial calcium fluoride exceeds 97.5%, the content of main impurity silica is less than 0.2%, and the production cost is lower than the price of commercially available natural fluorite powder. In the second step, artificial calcium fluoride is processed into anhydrous hydrogen fluoride using a converter-like production process.
In addition to the Guizhou Suifu Blue Sky Fluorine Chemical Co., Ltd., which uses sulfuric acid pyrolysis to produce anhydrous hydrogen fluoride using fluorosilicic acid, there are no other mature industrial technologies. Zibo Haihui Co., Ltd. is a high-tech private enterprise with fluorine chemical research, design, and consulting as its main business. It brings together a group of professional technicians in the field of fluorine chemicals. After three years of hard work, they eventually developed two steps of fluorosilicic acid. Preparation of anhydrous hydrogen fluoride technology.
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