Process for reheating flue gases after wet cleaning by contact with sulphuric acid
CA 1317092 C · Owner: Neumann, Heinz · Inventors: Neumann, Heinz; Dorr, Karl Heinz; Grimm, Hugo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cleaned flue gases normally accumulate as steamsaturated gases with temperatures of from 40 to 55°C after wet cleaning processes for the removal of sulfur and/or nitrogen compounds. Before being let off through a stack however, these, gases have to he heated to at least 72°C. This invention relates to a process for reheating flue gases after wet cleaning.
Read the whole patent
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 4, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 4, 2010.
- 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.