Method of recovering sulfur from minerals and other sulfur-containing compounds
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 24, 2004
Grant Date -
N/A
app pub date -
Oct 2, 2000
filing date -
Aug 8, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sulfurous compound such as a sulfur-rich 'float' (concentrate) obtained by flotation of the residue from the leaching of a zinc concentrate is heated at a temperature not lower than the melting point of sulfur but below its boiling point, preferably not higher than 200.degree. C., more preferably not higher than 140.degree. C., and the evolving gas containing sulfur vapor is cooled at a temperature less than the melting point of sulfur, preferably at ordinary temperature, to condense sulfur.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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