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:
Dec. 11, 2012
Filed:
Jan. 27, 2010
Shinobu Moniwa, Kawasaki, JP;
Masahiko Tsutsumi, Fuchu, JP;
Hidetake Shiire, Tokyo, JP;
Nobuyuki Ashikaga, Kawasaki, JP;
Satomi Ebihara, Tokyo, JP;
Katsuya Yamamoto, Kawasaki, JP;
Shinobu Moniwa, Kawasaki, JP;
Masahiko Tsutsumi, Fuchu, JP;
Hidetake Shiire, Tokyo, JP;
Nobuyuki Ashikaga, Kawasaki, JP;
Satomi Ebihara, Tokyo, JP;
Katsuya Yamamoto, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A water treatment apparatus includes a first treatment tank forming thereon a first, fixed bed includes a powdery phosphorus adsorbent includes an inorganic layered compound, wherein the first bed separates phosphorus and solid matter from the water, and recovers the phosphorus in a state adsorbed on the phosphorus adsorbent in the first bed, a second treatment tank forming a second, fluidized or fixed bed includes the phosphorus adsorbent, wherein the second bed separates phosphorus from the water received from the first treatment tank, and recovers the phosphorus in a state adsorbed on the phosphorus adsorbent in the second bed, and a transferring line configured to transfer the phosphorus adsorbent, having phosphorus adsorbed thereon in the second treatment tank, from the second treatment tank to the first treatment tank.