Method for treating waste water containing nitrate ions
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 25, 2001
Grant Date -
N/A
app pub date -
Dec 10, 1999
filing date -
Jun 18, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a method for treating waste water containing nitrate ions by subjecting the waste water to decomposition and oxidation to eliminate a harmful gas, the method including the steps of: (a) mixing a waste water containing 10 to 90% by weight nitrate ions in terms of ammonium nitrate with a lower alcohol having 1 to 4 carbon atoms to prepare a mixture, (b) decomposing the mixture at a temperature of 250.degree. C. or higher to generate a decomposition gas, and (c) reacting the decomposition gas with a gas containing oxygen at a temperature of 250.degree. C. or higher to render the decomposition gas harmless.
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