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:
Mar. 26, 2013
Filed:
Apr. 04, 2008
Masashi Echizen, Ibaraki, JP;
Takuji Shintani, Ibaraki, JP;
Naoki Kurata, Ibaraki, JP;
Kouji Maruyama, Ibaraki, JP;
Masashi Echizen, Ibaraki, JP;
Takuji Shintani, Ibaraki, JP;
Naoki Kurata, Ibaraki, JP;
Kouji Maruyama, Ibaraki, JP;
Nitto Denko Corporation, Osaka, JP;
Abstract
A method of membrane separation and membrane separation apparatus, with which not only a supply liquid can be evaluated but also the problems, such as scale, occurring on reverse osmosis membrane can be monitored in a highly straightforward fashion. There is provided a membrane separation apparatus equipped with reverse osmosis membrane module () so as to be adapted for feeding of a supply liquid and obtaining of a permeated liquid and a concentrated liquid, characterized by comprising a feeding-side membrane separation means () which includes a separation membrane () of which the membrane face () can be monitored and guides the supply liquid so as to separate the membrane, and a concentrating-side membrane separation means () which includes a separation membrane () of which the membrane face () can be monitored and guides the concentrated liquid so as to separate the membrane separation thereof.