Process of treating a pressurized laden absorbent solution
CA 1306233 C · Owner: Metallgesellschaft Aktiengesellschaft · Inventors: Grunewald, Gerhard; Kammerer, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gas which contains CO2 and at least one of the valuable gases methane, hydrogen or carbon monoxide is purified by means of an absorbent solution in a scrubbing zone under a pressure of at least 5 bars. The laden absorbent solution has absorbed CO2 and at least one of the valuable gases by physical dissolution. For a recovery of the valuable gas or gases the laden, absorbent solution is pressure-relieved to an intermediate pressure in a stripping zone and is stripped in said stripping zone with a gas which predominantly consists of CO2. A gas mixture which contains a valuable gas is withdrawn from said stripping zone. The absorbent solution is pressure-relieved further in a succeeding …
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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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 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.