Mitsubishi Heavy Industries Limited

Akihiro Sakanishi

Masahiko Nagai

Hidehiko Tajima

Kohei Kawasaki

Hiroaki Mikawa

Kaoru Egawa

Ayako Ureshino

Mitsuhiro Ishigaki

Taisuke Miyazaki

Koji Imasaka

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.

Acidic treatment liquid processing apparatus, acidic treatment liquid processing method, surface treatment system, and surface treatment method

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Tokyo, Japan

Akihiro Sakanishi