リン鉱-塩化水素系の加熱固相-気相反応
1976 年 1976 巻 12 号 p. 1950-1951
詳細
1976 年 1976 巻 12 号 p. 1950-1951
It has been observed that Florida phosphate is easily defluorinated and chlorinated with hydrogen chloride vapor. Chlorapatite and calcium chloride were formed through the chlorination of constituents of the phosphate, which are Ca-fluorapatite and other Ca-containing minerals. These products interacted subsequently to produce highly citric-soluble chlorospodiosite at the temperature below 1000° C. This chlorination reaction will be adoptable to a defluorination process of rock phosphates.
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