Reduction of nitrogen oxide emissions from calciners
CA 1201409 A · Owner: Ari Technologies, Inc. · Inventors: Hardison, Leslie C.; Nagl, Gary J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are method and apparatus for reducing the emissions of nitrogen oxides from incineration systems. More particularly the invention relates to the reduction of nitrogen oxide emissions from thermal incinerators employed in installations for calcining solid carbonaceous materials such as petroleum coke and anthracite coal. A hot effluent gas stream containing hydrocarbon vapors and entrained carbonaceous solid particles is removed from a calciner and introduced into a thermal incinerator for combusion of the vapors and the particles. The improvement comprises effecting preliminary combustion of the hydrocarbon vapors but not the carbonaceous solid particles in the gas stream using …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 4, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 4, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.