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:
Jan. 10, 2006
Filed:
Aug. 19, 2002
Masahiro Iseki, Ota, JP;
Naoki Hiro, Osaka, JP;
Tomohito Koizumi, Ota, JP;
Tsuyoshi Rakuma, Ora-gun, JP;
Masahiro Iseki, Ota, JP;
Naoki Hiro, Osaka, JP;
Tomohito Koizumi, Ota, JP;
Tsuyoshi Rakuma, Ora-gun, JP;
Sanyo Electric Co., Ltd., Moriguchi, JP;
Abstract
There are provided a nitrogen treating method and system for a nitrogen compound, which can treat the nitrogen compound efficiently and which can reduce the size and cost of an apparatus. The gist is that, in a nitrogen treating method wherein a nitrogen compound in for-treatment water is treated according to an electrochemical technique, a cathode reaction region and an anode reaction region are defined by a cation exchange membrane interposed between a cathode and an anode, and the for-treatment water treated in the cathode reaction region according to the electrochemical technique is treated with hypohalogenous acid, or, ozone or active oxygen according to a chemical technique.