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:
May. 06, 1997
Filed:
Aug. 04, 1994
Isao Sawamoto, Kanagawa, JP;
Permelec Electrode Ltd., Kanagawa, JP;
Abstract
There are provided an ozone water treatment method by comprising the steps of injecting an ozone-containing gas into pure water to prepare ozone water, supplying the ozone water to use point(s) for treatment of materials to be treated, and circulating for reuse or discharging the ozone water after use, which comprises disposing a deozonizing apparatus, the inside of which is divided into an ozone water passing zone and a reduced pressure zone by a diaphragm, at the downstream side of the use point(s), supplying the ozone water after use to the ozone water passing zone of the deozonizing apparatus, and removing residual ozone and residual oxygen in the ozone water after use by contacting the water with the reduced pressure zone through the diaphragm and an apparatus utilized in the ozone treatment method.