Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1987-08-28
1991-05-07
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156642, 156664, 156666, C23F 102
Patent
active
050133950
ABSTRACT:
A method of continuously regenerating a metal containing acid solution enhanced with a salt-free material. The metal dissolved in a bulk metal containing acid solution is continuously oxidized by introducing a gas into a packed reaction vessel. The packed reaction vessel is in operative relationship with the bulk acid solution for recirculating regenerated solution and for receiving spent solution. The gas is introduced substantially cocurrently with the spent acid solution.
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Evaluation of a Packed Tower for Oxidation of Cuprous Ion in IBM Copper Etching Solution, by Kenneth J. McNulty and Chang-Li Hsieh, Koch Membrane Systems, Inc., Wilmington, MA, 2/22/85.
Blumberg Lawrence R.
Coolbaugh Douglas D.
Kurowski John A.
Stromecki Eugene A.
Dang Thi
International Business Machines - Corporation
Olsen Judith D.
Simmons David A.
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