Utilization of sulphur dioxide for energy production
CA 1298956 C · Owner: Lin, Ping-Wha · Inventors: Lin, Ping-Wha
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Gases containing high sulphur dioxide concentrations are used for energy production. The steps involve the conversion of sulphur dioxide to sulphur trioxide in a catalytic converter (40, 360 570), the, reaction of sulphur trioxide with lime and/or limestone in a fluidized reactor (60, 410, 580) and, removal of heat from the chemical reactions for utilization in the production of superheated steam. The superheated steam that is produced can be used for the generation of electricity, for operating mechanical devices, space heating, lime production construction materials curing, and heat exchange processes.
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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 April 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 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.