Chemical surface treatment apparatus and process

Details Chemical surface treatment apparatus and process Chemical surface treatment apparatus and process

1990-06-22

1991-07-09

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156656, 156664, 156345, B44C 122, C23F 100, C03C 1500, C03C 2506

Patent

active

050303201

ABSTRACT:
An apparatus and process for chemically treating a surface of a workpiece with a liquid solution that produces an environmentally harmful gaseous byproduct includes a water spray system for contacting and reacting the gaseous byproduct at the location where it is produced during the chemical treating process. The reacted byproduct is then carried away in the water stream and with the chemical treating solution for safe disposal and recovery. Residual unreacted gaseous byproduct is chemically treated at a separate location within the same apparatus layout used to process the workpiece.

REFERENCES:
patent: 4904339 (1990-02-01), Diehl et al.

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