Process for the incineration of chlorinated organic materials
CA 1105237 A · Owner: E.I. Du Pont De Nemours And Company · Inventors: Harwell, Leslie J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Molecular chloride level in flue gases from incineration of chlorinated organic materials is reduced by injecting into the incinerator's quench zone an amount of hydrogen which depends on the amount of air fed into the combustion zone, the amount of air being such that there is a 1-40% excess of oxygen. When the wall temperature of the combustion zone is about 800-1500°C the, temperature at which the hydrogen is added to the quench zone is about 450-1000°C. Hydrogen chloride which is, formed from molecular chlorine and hydrocarbon is more readily water-scrubbed than chlorine, so that less pollutlng flue gases are obtained.
Read the whole patent
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 July 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 1998.
- 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.