Process for recovering the overspray of aqueous coating agents d

Details Process for recovering the overspray of aqueous coating agents d Process for recovering the overspray of aqueous coating agents d

1993-11-05

1996-10-29

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

2101952, B01D 6120

Patent

active

055693849

ABSTRACT:
A process is described for recovering the overspray of aqueous coating agents during spray application in spray booths in which aqueous circulating liquid is circulated for the purpose of collecting the overspray. The overspray material is continuously or discontinuously extracted from the circulating liquid in an electrocoagulation bath, a higher concentration of overspray being maintained in the electrocoagulation bath than in the circulating liquid of the spray booth as a result of ultrafiltration.

REFERENCES:
patent: 3663402 (1972-05-01), Christenson et al.
patent: 4007102 (1977-02-01), Springer et al.
patent: 4222874 (1980-09-01), Connelly
patent: 5294352 (1994-03-01), Waldmann

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