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Studies on recovering rutile from titanium-enriched high-iron smelter slag.

Authors
Oden-LL; Sumner-DH; Howe-J Jr.
Source
NTIS: PB 220 586 :1-10
Link
NIOSHTIC No.
10008988
Abstract
Titanium-enriched smelter slag produced commercially by Quebec Iron and Titanium Corp., Sorel, Quebec, was evaluated as feed material for a process developed by the Bureau of Mines to prepare rutile. Glass-forming agents including p205, b203, and two binary mixtures were added individually to the as-received and preoxidized smelter slag, and the nonferrous tramp oxides were effectively partitioned into the resulting noncrystalline phase. Iron in the ferrous oxidation state was moderately soluble in the glass of reduced specimens but less soluble under oxidizing conditions. The solubility of iron oxide in phosphate glass exceeded the solubility of iron oxide in borate glass. Effective conversion of titanium oxide to rutile was not achieved in the high-iron commercial smelter slag, and 20 to 30 pct of the titanium remained as pseudobrookite, a mixed iron-titanium oxide.
Publication Date
19730101
Document Type
IH; Report of Investigations
Fiscal Year
1973
NTIS Accession No.
PB-220586
NTIS Price
A02
Identifying No.
RI-7742
NIOSH Division
ALRC
Source Name
NTIS: PB 220 586
State
OR
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