Method of separately recovering metal values of petroleum refining catalyst
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 29, 1989
Grant Date -
N/A
app pub date -
Jan 27, 1987
filing date -
Jan 27, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Metal values including those of cobalt, vanadium, aluminum, molybdenum and tungsten are recovered from spent petroleum refining catalyst by acid leaching the metal values except those of molybdenum or tungsten, separating the resulting solution from the leach residue and selectively recovering the cobalt, vanadium and aluminum values from the solution and recovering the molybdenum and tungsten values from the leach residue.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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