Copper leach process aids
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 10, 2001
Grant Date -
N/A
app pub date -
Nov 19, 1999
filing date -
Nov 19, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for enhancing the operation of an acid solvent extraction and electrowinning operation by inhibiting acidic aerosol formation, allowing increased acid concentration and allowing higher operating temperature is disclosed wherein an antifoam formulation stable at a solution pH of about 1 to 2 is added. A preferred antifoam formulation comprises a glycol ester and an alkyl phenol ethoxylate in a paraffinic oil solvent added to the acid solution of an acid solvent extraction and electrowinning operation.
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