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Copper Recovery from Chalcopyrite by a Roast-leach Procedure.

Authors
Haskett-PR; Bauer-DJ; Lindstrom-RE
Source
NTIS: PB 228 103 :12 pages
Link
NIOSHTIC No.
10009788
Abstract
Sulfation roasting of chalcopyrite concentrates, followed by water or dilute acid leach, was investigated as an alternative to conventional smelting. Copper sulfation was found to be effectively promoted by the addition of materials such as fe2o3 to the furnace charge. Conversion of the copper to a soluble form was essentially complete after roasting the mixed charge at 400 deg. to 600 deg. C, using an fe2o3-to-chalcopyrite concentrate weight ratio of 1:2.
Publication Date
19730101
Document Type
IH;
Fiscal Year
1973
NTIS Accession No.
PB-228103
NTIS Price
A03
Identifying No.
TPR 67
NIOSH Division
RERC;
Source Name
NTIS: PB 228 103
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