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:
Aug. 12, 2014
Filed:
Dec. 17, 2010
Applicants:
Hisashi Isogami, Tokyo, JP;
Satoshi Miyabayashi, Tokyo, JP;
Inventors:
Hisashi Isogami, Tokyo, JP;
Satoshi Miyabayashi, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/48 (2006.01); C02F 1/52 (2006.01); B01D 21/01 (2006.01); B03C 1/01 (2006.01);
U.S. Cl.
CPC ...
C02F 1/488 (2013.01); C02F 1/52 (2013.01); B01D 21/01 (2013.01); B03C 1/01 (2013.01);
Abstract
A wastewater treatment apparatus that obtains treated water by adding a flocculant and magnetic powder to wastewater accumulated in a tank to thereby generate flocculated magnetic flocs, and recovering the magnetic flocs by means of a magnetic force to thereby remove the magnetic flocs from the wastewater, comprising: