Process of desulfurizing gases
CA 1296161 C · Owner: Linde Aktiengesellschaft · Inventors: Alunic, Emil; Grunewald, Gerhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Two different gases which contain sulfur, compounds and CO2 are desulfurized with a physically acting solvent. The first gas is treated with the solvent in a first scrubbing zone, in which the sulfur compounds particularly H2S and COS, are subst. compl. removed and part of the CO2 content in the gas is dissolved. At least part of the laden solvent leaving the first scrubbing zone is fed to a second scrubbing zone, which is supplied with the second gas, which has a lower CO2 content than the first gas. The second gas is partly desulfurized in the second scrubbing zone and in a third scrubbing zone is subsequently treated with a solvent which is virtually free of sulfur compounds. The laden …
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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 February 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 25, 2009.
- 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.