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:
Oct. 04, 2022
Filed:
Apr. 05, 2018
Applicant:
Metawater Co., Ltd., Tokyo, JP;
Inventors:
Satoru Mima, Tokyo, JP;
Sadamitsu Shiode, Tokyo, JP;
Hiroyuki Oyachi, Tokyo, JP;
Kiyotaka Sugiura, Tokyo, JP;
Hideki Takeuchi, Tokyo, JP;
Assignee:
METAWATER Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/28 (2006.01); C02F 1/44 (2006.01); C02F 1/76 (2006.01); C02F 101/20 (2006.01);
U.S. Cl.
CPC ...
C02F 1/283 (2013.01); C02F 1/44 (2013.01); C02F 1/76 (2013.01); C02F 2101/206 (2013.01);
Abstract
A method of removing soluble manganese includes: a mixing step of mixing water for treatment, activated carbon micropowder having an average particle size of not less than 0.1 μm and not more than 10 μm, and an oxidizing agent to obtain a water/activated carbon mixture; and a membrane filtration step of membrane filtering the water/activated carbon mixture to obtain treated water.