Method of removing metal ion and apparatus for treating...

Details Method of removing metal ion and apparatus for treating... Method of removing metal ion and apparatus for treating...

2005-06-07

2005-06-07

Lawrence, Frank M. (Department: 1724)

Liquid purification or separation

Processes

Utilizing electrical or wave energy directly applied to...

C134S001300, C204S275100, C205S771000

Reexamination Certificate

active

06902677

ABSTRACT:
A method of removing a metal ion from a treating liquid for use in treating a substrate comprises the steps of: applying a first voltage via an electrode to the treating liquid that flows in a supply piping so that deposition can occur; and applying a second voltage higher than the first voltage to the electrode while distributing a cleaning liquid to the supply piping, so that ionization can occur.

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patent: 06-204201 (1994-07-01), None
patent: 2739419 (1998-01-01), None

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