Textural and structural characteristics of phosphorites from the Polpinsky deposit

被引：0
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作者：
I. A. Pochitalkina
D. F. Kondakov
O. A. Artamonova
O. V. Vinokurova
机构：
[1] Russian University of Chemical Technology,Kurnakov Institute of General and Inorganic Chemistry
[2] Russian Academy of Sciences,undefined
来源：
Russian Journal of Inorganic Chemistry | 2017年 / 62卷
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摘要：
The textural and structural characteristics of phosphorites from the Polpinsky deposit have been determined. These raw materials are shown to be of siliceous polymineral type and consist mostly of α-quartz, hydroxycarbonate apatite, montmorillonite, and bonschtedtite. The modification dynamics of chemical composition and the textural characteristics (specific surface, pore volume, and pore diameter) of the solid upon the acid decomposition of a phosphorite sample from Polpinsky deposit have been studied. The α-quartz in phosphorites is shown to not experience crystal-structural alterations upon acid decomposition; its pore size does not inhibit the extraction of acid-soluble components, including calcium and phosphorus, from the bulk.
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页码：1495 / 1498
页数：3
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