Apparatus and method for electrolytic treatment

摘要

This invention provides an apparatus and a method capable of electrolyzing a metal web (1) at a high treating speed and high current density without a problem of uneven treatment, which a metal web is wound, arc-shaped electrodes (5,6) allocated on the outside of the drum roller (3) concentrically with a space, and an electrolytic solution put in the space, wherein the drum roller (3) is made movable in the vertical direction, and a method using the apparatus.