Apparatus and method for removing sulfur from sulfur-bearing gases
CA 1046734 A · Owner: Mcgauley, Patrick J. · Inventors: Dor, Abraham A.; Mcgauley, Patrick J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Sulfur bearing gases are contacted with metal oxide bearing prepared solids containing iron and reacted in an, absorption procedure to produce both gases that are suitable for discharge to the atmosphere as "pollution free" effluents and, solids that contain either metal sulfates or metal sulfides that can be oxidize to metal sulfates The metal sulfate baring solids are contacted with reducing gases under controlled condition- in a decomposition procedure the sulfates are, converted to metal oxides that are suitable for use as sorbents and the oxide bearing solids are recycled to the absorber The product gas from the decomposition procedure which contains, sulfur dioxide at high …
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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 January 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 1996.
- 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
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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.