Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1979-09-12
1981-04-14
Prunner, Kathleen J.
Gas separation
Means within gas stream for conducting concentrate to collector
55 50, 55 52, 55 55, 55 56, 55 68, 55 85, 55 89, 55171, 55195, 55200, 55201, 55222, 55223, 55227, 55228, 55229, 55238, 55240, 55257PV, 55DIG46, 98115SB, 118 61, 118 64, 118326, 118DIG7, B01D 1900, B01D 4700
Patent
active
042617073
ABSTRACT:
A system and process is disclosed for eliminating paint solvents released during paint spraying operations into the circulated air including a liquid spray solvent stripper over which the exhaust air is passed, and a heating and cooling arrangement for regenerating the solvent absorber liquid. A heat exchanger recovering heat from an incinerator vaporizes the solvent and the absorber is recovered by being passed over cooling coils in a condensing chamber. The exhaust air is treated with a water circulation system to remove paint solids, a proportion of the solvent vapors passing into solution with the treatment water. A solvent stripper is provided consisting of an arrangement for applying a vacuum to the water circulated from a paint solid removal unit, causing the solvent to be vaporized out of solution, with the vapors condensed by being passed over cooling coils in a condensing chamber. The air and water stripper condensing chambers are purged by a vacuum pump directing the uncondensed solvent vapors into the incinerator.
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Bloomer Ivan
Bradshaw Norman F.
Prunner Kathleen J.
Schweitzer Industrial Corp.
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