Process for reconcentrating overspray from one-component coating

Details Process for reconcentrating overspray from one-component coating Process for reconcentrating overspray from one-component coating

1995-02-24

1996-02-13

Fortuna, Ana M.

Liquid purification or separation

Processes

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

210651, 210641, 134 38, B01D 6100

Patent

active

054909392

ABSTRACT:
The present invention relates to a multi-stage membrane filtration process for reconcentrating the overspray from a one-component, aqueous coating composition containing high molecular weight components having a weight average molecular weight of at least 2000 and at least 5% by weight, based on the total weight of the organic components of the coating composition, of a low molecular weight component having a weight average molecular weight of less than 2000, that has been diluted with spray booth water from spray booths having wet flushing to form a booth/water overspray mixture by

REFERENCES:
patent: 4607592 (1986-08-01), Richter
patent: 5092928 (1992-03-01), Spangler
patent: 5242596 (1993-09-01), Bachem et al.
patent: 5282970 (1994-02-01), Wede
patent: 5292547 (1994-03-01), Schlumpf et al.
patent: 5393390 (1995-02-01), Freese et al.

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