The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 1987
Filed:
Sep. 26, 1984
Hayami Itoh, Himeji, JP;
Chiaki Nagai, Kobe, JP;
Kawasaki Jukogyo Kabushiki Kaisha, Kobe, JP;
Abstract
A method of recovering fuel from coal ash containing non-combusted carbon in particulate form discharged from a pulverized coal fired boiler, a fluidized bed boiler or a coal gasification furnace together with exhaust gases. In this method, water and a binder and surfactant, if necessary, are added to the ash collected by the dust collecting device, and the mixture is agitated to form coarse particles of high carbon content. Then fine particles of high ash content are separated from the coarse particles, allowing the coarse particles separated from the fine particles to be dehydrated while tailing ash is turned white in color and the ash is put to use.