Removal of soot in a gasification system
CA 2345613 A1 · Owner: Texaco Development Corporation · Inventors: Jahnke, Frederick C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The raw syngas generated in a partial oxidation gasifier (2) also includes carbon soot which is removed and recovered from the syngas by scrubbing with water. The scrubbing water (4) contains one or more high temperature surfactants (6) which allow greater soot concentrations in the water-scrubbing quench zone of the gasifier (2). The carbon soot is separated from the scrubbing water (10) with the aid of a scrubbing oil. The separation of the carbon soot from the scrubbing water (10) is enhanced with the aid of one or more surfactants (6) that render the soot particles hydrophobic and oleophilic. The recovered carbon soot is ultimately recycled to the gasifier (2) to recover the …
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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
- Filed November 12, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 12, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 2021.
- 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.