Process for the removal of sulphur dioxide from a flue gas stream by means of a solid acceptor
CA 1073187 A · Owner: Shell Canada Limited · Inventors: Bekker, Gijsbertus A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the removal of sulphur dioxide from a flue gas stream it is, known to use a solid acceptor which is regenerated using reducing or stripping gas. However, the time required for regenerating the acceptor is less than that required for loading the acceptor. As a result there is a discontinuous demand for reducing or stripping gas which consequentially places a high demand upon the unit generating the reducingly stripping gas and the unit for treating this gas subsequent to regeneration of the acceptor. The present invention overcomes the drawbacks associated with a discontinuous demand for reducing or stripping gas by providing a process for the removal of sulphur dioxide from a flue gas …
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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 11, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 11, 1997.
- 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.