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Tio2 and Rare Earth Metals Recovery from Perovskite Using Acid Sulfation.

Authors
Sandberg-RG; Petersen-AE; Davidson-CF
Source
Proc 1st Int'l Conf on Metallurgy & Mater Science of Tung Tit Re & Ant 1988 :244-249
Link
NIOSHTIC No.
10006605
Abstract
Perovskite deposits in the United States represent a significant but unused titanium, columbium, and rare earth metals resource. An acid sulfation process was developed by the Bureau of Mines that extracts up to 97 pct of the titanium and columbium and up to 90 pct of the rare earth byproducts from perovskite concentrates. A flowsheet describing the titanium recovery process is discussed. Cost evaluation results indicate that processing perovskite concentrates by acid sulfation can be an economically viable means of producing tio2.
Publication Date
19880101
Fiscal Year
1988
NTIS Accession No.
NTIS Price
Identifying No.
OP 18-89
NIOSH Division
SLRC;
Source Name
Proc. 1st Int'l Conf. on Metallurgy & Mater. Science of Tung, Tit, Re & Ant, 1988, PP. 244-249
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