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:
Jul. 29, 2025
Filed:
Aug. 26, 2019
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Koji Imasaka, Tokyo, JP;
Hiroaki Mikawa, Tokyo, JP;
Kohei Kawasaki, Tokyo, JP;
Mitsuhiro Ishigaki, Tokyo, JP;
Masahiko Nagai, Tokyo, JP;
Hidehiko Tajima, Tokyo, JP;
Ayako Ureshino, Tokyo, JP;
Kaoru Egawa, Tokyo, JP;
Akihiro Sakanishi, Tokyo, JP;
Taisuke Miyazaki, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
An acidic treatment liquid processing apparatus includes: a tank having an interior space; a diaphragm permeable to a metal cation and separating the interior space of the tank into a first chamber and a second chamber; a first electrode disposed in the first chamber; a second electrode disposed in the second chamber; a power supply configured to apply a voltage while using the first electrode as an anode and the second electrode as a cathode; a first liquid passing part configured to pass an acidic treatment liquid containing a dichromate ion and a metal cation into the first chamber; and a second liquid passing part configured to pass an acid aqueous solution into the second chamber.