Environmental waste-control process for spray rinsing chemically

Details Environmental waste-control process for spray rinsing chemically Environmental waste-control process for spray rinsing chemically

1991-09-16

1993-03-16

Morris, Theodore

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 251, 134 252, 134 26, B08B 304

Patent

active

051940957

ABSTRACT:
A process and apparatus that includes multiple counterflow rinsing of chemically treated, anodized, plated or otherwise processed workpieces, utilizing a single on-line spray-rinse tank or station with successively less concentrated or contaminated rinse solutions that are sequentially pumped from one or more off-line tanks or reservoirs that provide at least three overlapping counterflow spray rinse cycles that cover the treated workpiece or workpieces which can be supported individually or together in a bulk processing barrel in the spray-rinse tank, whereby the workpiece or pieces are decontaminated for any additional processing of a finished part using a minimum amount of water or rinse solution during the rinsing process.

REFERENCES:
patent: 4319930 (1982-03-01), Yano et al.
patent: 4379031 (1983-04-01), Krotkiewicz et al.
patent: 4409999 (1983-10-01), Pedziwiatr
patent: 4861385 (1989-08-01), Yagishita

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