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. 26, 2011
Filed:
Feb. 27, 2006
Kazuhisa Nishimori, Amagasaki, JP;
Kiyoshi Izumi, Amagasaki, JP;
Taichi Uesaka, Amagasaki, JP;
Tatsuya Uejima, Amagasaki, JP;
Hidetoshi Masutani, Yao, JP;
Shigeto Miuma, Yao, JP;
Kazuhisa Nishimori, Amagasaki, JP;
Kiyoshi Izumi, Amagasaki, JP;
Taichi Uesaka, Amagasaki, JP;
Tatsuya Uejima, Amagasaki, JP;
Hidetoshi Masutani, Yao, JP;
Shigeto Miuma, Yao, JP;
Kubota Corporation, , JP;
Abstract
A water treatment system having a biological treatment step (a secondary treatment step) and a membrane separation step (a tertiary treatment step), wherein a portion of the raw water to be treated and/or a portion of the primarily treated water in the pretreatment step are biologically treated and supplied into a reaction tank in the membrane separation step as the main channel system, while the remainder the raw water to be treated and/or the remainder of the primarily treated water in the pretreatment step are added together with a flocculating agent to the reaction tank in the membrane separation step, and then the membrane separation is conducted in the membrane separation step.