Method for agglomeration of coal particles and simultaneous ash removal therefrom
CA 1180893 A · Owner: Electric Power Development Co. Ltd. · Inventors: Nakaoji, Kazuhiko; Hisatomi, Shigenobu; Muroi, Katsumi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improvement in a method for agglomerating coal particles and removing ashes therefrom at the same time by agitating a mixture of a slurry of fine coal particles and water with a binder is disclosed. The improvement comprises agitating the mixture at a high speed to form coal agglomerates of small size and, then agitating the mixture at a low speed to make the coal agglomerates larger. According to the method the binder adequately adheres to the fine coal particles by the first agitation at the high speed and at the same time ashes are separated from the fine coal particles while preventing the fine coal particles from growing to larger coal agglomerates and then, the particle size of 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
- Granted January 15, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.