Processing of Phosphodihydrate to Separate Rare-Earth Elements and Obtain Gypsum Free from Phosphates and Fluorides

被引：13

作者：

Lokshin, E. P. ^{[1
]}

Tareeva, O. A. ^{[1
]}

Elizarova, I. P. ^{[1
]}

机构：

[1] Kola Sci Ctr, Tananaev Inst Chem & Technol Rare Elements & Mine, Apatity, Murmansk Oblast, Russia

来源：

RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2011年 / 84卷 / 09期

关键词：

Thorium; Sulfuric Acid Solution; Nitric Acid Solution; Phosphogypsum; Cement Industry;

D O I：

10.1134/S1070427211090011

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Geotechnological complex processing of phosphodihydrate, including sulfuric acid leaching, sorption extraction of rare-earth elements, recovery of leaching solutions to obtain rare-earth products and gypsum material, which in the radioactivity and concentration of impurity fluorides and phosphates is suitable for use in building and cement industries, is outlined.

引用

页码：1461 / 1469

页数：9