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. 05, 2011
Filed:
Dec. 15, 2006
Kazuo Abe, Tokyo, JP;
Takao Suzuki, Tokyo, JP;
Hitoshi Koyama, Tokyo, JP;
Kazuyoshi Matsuo, Ichihara, JP;
Shinichiro Saito, Kumagaya, JP;
Kazuo Abe, Tokyo, JP;
Takao Suzuki, Tokyo, JP;
Hitoshi Koyama, Tokyo, JP;
Kazuyoshi Matsuo, Ichihara, JP;
Shinichiro Saito, Kumagaya, JP;
Mitsui Engineering & Shipbuilding Co., Ltd., Tokyo, JP;
Abstract
Disclosed is a method for removing unburned carbon from fly ash at low cost and within a short time. The method comprises the steps of adding a collecting agent to fly ash directly, agitating/mixing the mixture in a mixer (), adding water to the resulting mixed material in a mixing vessel () to yield a slurry, applying a shearing force to the slurry in a submerged stirrer (), and performing flotation separation of unburned carbon in a flotator ().