Method for removing hydrogen chloride from exhaust gas discharged fromincinerator
CA 1298960 C · Owner: Ase, Hajime · Inventors: Ase, Hajime; Fujii, Satoshi; Nara, Hisao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for removing hydrogen chloride from an exhaust gas discharged from an incinerator which, comprises the steps of: causing hydrogen chloride contained in an exhaust gas discharged from an incinerator to react with slaked lime in slurry into basic calcium chloride; detecting a concentration (y) of hydrogen chloride remaining in the exhaust gas after the reaction with slaked lime; determining a deviation (.DELTA.y) of the thus detected concentration (y) of hydrogen chloride from a predetermined target concentration (yo) thereof; determining a corrected deviation (.DELTA.y') by adding to the above-mentioned deviation (.DELTA.y) a correction value (.DELTA.y1) calculated in accordance …
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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.