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- W2012206960 abstract "Abstract The enrichment of very dilute surface-active substances when air or nitrogen bubble through the solution is known as bubble fractionation. The addition of vapors of certain organic liquids has led to an improved and accelerated separation method called booster bubble fractionation (BBF). For the fractionation of dyes in a test apparatus, pentane and chloroform appeared as excellent boosters while ethyl ether and ethyl acetate had no effect. Diagrams showing several foam heights and a periodically changed surface-active Patent Blue content in the bulk demonstrated that water and organic solvents form layers which are only stable in the presence of the surface-active compounds. The gas cycle saturator/fractionator/top-fraction-receiver was operated by a peristaltic pump, the liquid passing by gravity. In a continuous separation process of both 10 ppm and 1 ppm Patent Blue/Neucoccin solutions at 10 liters/hr (=25 × fractionator volume), PB was concentrated by a factor of 10 in the top fraction and nearly totally recovered. Säuregrün, which shows no shift in foam fractionation, could be enriched by a factor of 7 by BBF. The volatility and low solubility of the boosters offer fractions with negligible reagent pollution. Because of a possible specific relationship between boosters and surface-active substances, bubble chromatography with selected organic vapors is suggested." @default.
- W2012206960 created "2016-06-24" @default.
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- W2012206960 date "1969-12-01" @default.
- W2012206960 modified "2023-09-24" @default.
- W2012206960 title "A New Type of Adsubble Methods: Booster Bubble Fractionation—Hastened and Improved Bubble Fractionation of Low-Foaming Solutions" @default.
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- W2012206960 doi "https://doi.org/10.1080/01496396908052273" @default.
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