Process for the recovery of silver from a residue essentially free of elemental sulphur
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 30, 1986
Grant Date -
N/A
app pub date -
Mar 4, 1985
filing date -
Sep 27, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for the recovery of silver from a residue essentially free of elemental sulphur obtained by acidic pressure oxidation leaching or iron-containing sulphidic material which comprises forming a slurry of the residue with lime at a temperature of at least about 80.degree. C. to raise the pH of the slurry to at least about 9. The slurry is maintained at this temperature for from about 0.5 to about 4 hours, and the resultant slurry is subjected to silver recovery treatment.
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