Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1989-04-17
1990-04-24
Schofer, Joseph L.
Gas separation
Means within gas stream for conducting concentrate to collector
55 85, 55 89, B01D 2101
Patent
active
049196910
ABSTRACT:
In a method of recovering volatile organic paint carrier from paint spray booths and also collecting, detackifying, and dispersing paint solids obtained from paint overspray in said paint spray booths, which paint spray booths are of the type comprising a chamber, a duct system for passing air through said chamber, an exhaust system connected to said duct system, a sump containing a circulating hydrophilic liquid which is pumped onto a means for forming a liquid curtain of said hydrophilic liquid, said liquid curtain being contacted by oversprayed paint and volatile organic paint carrier; the improvement which comprises using as the hydrophilic liquid an improved oil-in-water emulsion maintained at a pH value ranging from 7.5-11.0, which emulsion consists essentially of the ingredients:
REFERENCES:
patent: 4168746 (1979-09-01), Sheely
patent: 4370174 (1983-01-01), Braithwaite, Jr.
patent: 4378235 (1983-03-01), Cosper et al.
patent: 4396405 (1983-08-01), Lindenberger et al.
patent: 4554026 (1985-11-01), Cosper et al.
patent: 4750919 (1988-06-01), Patzelt et al.
Meade Robert J.
Mindick Morris
Patzelt Robert R.
Cupoli Anthony L.
Delmendo R. H.
Epple Donald G.
Nalco Chemical Company
Schofer Joseph L.
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