Laboratory Extraction of Copper from Chalcocite by Roasting Reduction, and Smelting.
AIME Ann Mtg Denver Colorado 1970 Feb; :15 pages
This paper discusses a new route from chalcocite concentrate to copper metal which includes a 2-stage fluid-bed treatment (one oxidizing, the other reducing). The reduced product is smelted with lime to effect a high recovery of metallic copper.
AIME Ann. Mtg., Denver, Colorado, Feb. 15-19, 1970, AIME Preprint 70-B- 12