Efficient waste heat recovery process from sulfur containing flue gas
CA 1253812 A · Owner: Linde Aktiengesellschaft · Inventors: Fan, Chung T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
EFFICIENT WASTE HEAT RECOVERY PROCESS FROM SULFUR CONTAINING FLUE GAS", Abstract In the recovery of waste heat from flue gas containing particulate solids, CO2, SO2 SO3 and H2O, several improvements are provided e.g. passing hot, flue gas, e.g. from a power plant over heat exchange, surface attackable by sulfuric acid e.g. in a combustion, air preheater, so as to release heat to said heat exchange surface and to partially cool said flue gas to a temperature within the range of about 350°F to above the condensation temperature of sulfuric acid; passing resultant partially cooled gas through a particulate removal zone to separate the particulate solids from the partially cooled flue gas, …
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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 May 9, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 9, 2006.
- 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.