Process of treating two laden absorbent solution streams
CA 1306232 C · Owner: Linde Aktiengesellschaft · Inventors: Grunewald, Gerhard; Alunic, Emil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Two absorbent solution streams which come from different gas-scrubbing zones and have absorbed carbon dioxide and at least one of the valuable gases carbon monoxide hydro-, gen or methane by physical dissolution under pressures from 10 to 100 bars are treated for a recovery of the valuable gases. For that purpose the first absorbent solution stream is pressure-relieved into a first pressure relief zone with a pressure reduction by at least 5 bars so that a high-CO2 gas is flashed off. The second absorbent solution stream is partly pressure-relieved into a second pressure relief zone which, contains exchange-promoting elements. The flashed-off gas from the first pressure relief zone is …
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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.