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Preparation of citrate-soluble phosphates by calcination of secondary phosphate sources with a sodium sulfuric acid compound

机译:通过用硫酸钠化合物煅烧次级磷酸盐源来制备柠檬酸可溶性磷酸盐

摘要

A method of calcination includes providing a raw material including whitlockite Ca9(Mg,Fe2+)[PO3(OH)|(PO4)6], and/or iron phosphate FePO4, and/or aluminum phosphate AlPO4 and/or fluorapatite Ca5(PO4)3F; providing an alkaline-sulfuric compound as an additive; and calcining a mixture of the raw material with the additive to obtain a product, including a citrate soluble phosphate compound.
机译:煅烧的方法包括提供包含辉锰矿Ca 9(Mg,Fe 2+)[PO 3(OH)|(PO 4)6]和/或磷酸铁FePO 4和/或磷酸铝AlPO 4和/或氟磷灰石Ca 5(PO 4)的原料。 3F;提供碱性硫化合物作为添加剂;煅烧原料与添加剂的混合物以获得包括柠檬酸盐可溶的磷酸盐化合物的产物。

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