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Pioneering Studies on the Flotation of Corundum from a Montana Gneiss.

Authors
Smith-CW; Llewellyn-TO
Source
MISSING :4 pages
Link
NIOSHTIC No.
10005853
Abstract
The Bureau of Mines conducted laboratory-scale beneficiation tests on a sample of corundum gneiss from Montana to devise a method for beneficiating corundum for use as a substitute for refractory-grade bauxite. A flotation process utilizing petroleum sulfonate as the collector in an acid circuit was devised. Results showed that two flotation schemes each produced a concentrate exceeding the national stockpile specifications for calcined bauxite. From a feed containing 28 pct corundum, concentrates containing up to 92.5 pct alumina (al2o3) were produced with a corundum recovery of 78.5 pct.
Publication Date
19870101
Document Type
IH; Report of Investigations;
Fiscal Year
1987
NTIS Accession No.
NTIS Price
Identifying No.
RI 9119
NIOSH Division
TURC;
Source Name
MISSING
State
MT;
TOP