Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1978-05-22
1980-01-29
Albrecht, Dennis L.
Gas separation
Means within gas stream for conducting concentrate to collector
55 84, 134 38, 252111, 25217423, 252135, 252140, 25217417, 252156, 252160, 25217425, 252527, 252546, 427331, 427345, B01D 4700, B08B 308, C09D 900, C23D 1700
Patent
active
041859707
ABSTRACT:
A composition for trapping and removing paint from a paint spray booth characterized by an aqueous solution-suspension containing at least 4 percent by weight of a water softener, a concentration within the range of 4-25 percent by weight of a colloid that will pick up moisture and swell and remain stable in highly alkaline solutions: a concentration within the range of 1-8 percent by weight of a surfactant; and a concentration within the range of 5-50 percent by weight of an alkaline material that is either an alkali metal hydroxyide or an alkali metal metasilicate. The composition preferably also includes a concentration within the range of 0.1-3 percent by volume of a defoamer. Specific and critical examples of the respective water softener, colloid, surfactant and defoamer are disclosed, as is the optimum concentration of the ingredients. Also disclosed are improved embodiments having additional additives incorporated thereinto for specific purposes with specific types of paints.
REFERENCES:
patent: 2315125 (1943-03-01), Meckler
patent: 2362964 (1944-11-01), Affleck
patent: 2447052 (1948-08-01), Bond
patent: 2739903 (1956-03-01), Arnold
patent: 2982723 (1961-05-01), Arnold
patent: 3553144 (1971-01-01), Murphy
patent: 3985922 (1976-10-01), Thornton
Bennett, H.; The Chemical Formulary, vol. XVI, published by Chemical Publishing Co, Inc., New York, 1971, pp. 76-77.
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