Recovery of chlorine values from a melt oxidation gas
CA 1086919 A · Owner: Lummus Company (The) · Inventors: Riegel, Herbert; Strangio, Vincent A.; Schindler, Harvey D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A molten mixture containing the higher and lower valent forms of a multivalent metal chloride; in particular cuprous and cupric chloride, is contacted with oxygen and, aqueous hydrogen chloride recycle to recover the chlorine values, by generation of the higher valent metal chloride and also to effect oxidation of the melt by production of the oxychloride. The gas withdrawn from the oxidation contains hydrogen chloride chlorine, and water vapor, with the hydrogen chloride being separated from the gas as aqueous hydrogen chloride and recycled to the oxidation. The chlorine and water vapor in the gas are contacted with activated carbon to produce hydrogen chloride which is separated, as …
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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 October 7, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 7, 1997.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.