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Separation of butyl acetate from the O/W type model emulsion by solvent sublation with Span-80 as the emulsion surfactant was studied. The particle size and zeta potential were analyzed by particle size analyzer and emulsion stability was characterized by concentration measurement. The effects of gas rate, operating time, surfactant concentration, solute concentration, pH and cosolutes (NaCl and ethanol)...
The separation efficiency of butyl acetate (BA) from the wastewater of penicillin plant can be improved by solvent sublation. The mechanism of enrichment of BA at the air–water interface is important to the separation process. The predicted adsorption isotherm from BA solution showed that a molecular adsorption mechanism of BA on the air–water interface alone could not elucidate the high sublation...
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