Selective recovery of base metals and precious metals from ores
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 27, 1983
Grant Date -
N/A
app pub date -
Oct 20, 1982
filing date -
Oct 20, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Metal values are recovered from ore concentrates by forming a sulfide matte, grinding the matte, leaching with sulfuric acid at elevated temperature to selectively extract nickel and iron, and leaching the residue with an acidic aqueous ferric or cupric salt to selectively extract copper. The residue contains a high concentration of platinum, palladium and gold.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully