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. 14, 2012
Filed:
Mar. 28, 2007
Masahiro Saito, Tokyo, JP;
Gaku Taniguchi, Tokyo, JP;
Taishi Sato, Tokyo, JP;
Satoru Okada, Tokyo, JP;
Masahiro Saito, Tokyo, JP;
Gaku Taniguchi, Tokyo, JP;
Taishi Sato, Tokyo, JP;
Satoru Okada, Tokyo, JP;
Mitsui Engineering & Shipbuilding Co., Ltd., Tokyo, JP;
Abstract
[Problem] To provide a membrane treatment method and a membrane treatment apparatus for ballast water using a membrane module, which are capable of inhibiting the formation of scale on the membrane surface to reduce fouling, using a simple installation. [Means for Solving the Problem] The membrane treatment method and the membrane treatment apparatus for ballast water using a membrane module according to the invention, having a membrane treatment tankand a membrane moduleprovided in the tank for continuously performing filtration while ballast water is being passed thereto as raw water; wherein a positive electrode and a negative electrode are provided in the membrane treatment tankso as to come into contact with raw water in the tank, and a current passing means is provided in the tank for applying a voltage between the electrodes.