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:
Feb. 20, 1996
Filed:
Mar. 27, 1995
Takeo Moniwa, Machida, JP;
Mitsumasa Okada, Kukizaki, JP;
Nobuyuki Motoyama, Kawasaki, JP;
Takayuki Morioka, Kawasaki, JP;
Yasuji Shimizu, Kawasaki, JP;
Ryutaro Takahashi, Kawasaki, JP;
Fuji Electric Co., Ltd., Kanagawa, JP;
Abstract
A process for the treatment of water with ozone in which trace amounts of organic substances contained in water to be treated are oxidized and decomposed by diffusing ozone into the water introduced into a reaction tank, by injecting a chelate compound into the water to be treated after or just before the introduction of the water into the reaction tank. Preferred chelate compounds include ethylenediaminetetraacetic acid disodium salt, ethylenediaminetetraacetic acid calcium salt, ethylenediaminetetraacetic acid magnesium salt, ethylenediaminetetraacetic acid iron salt and iron citrate.