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- W1969815939 abstract "Abstract Azeotropic and extractive distillation techniques used to separate azeotropic mixtures are among the most challenging separation processes in the chemical industry. In this work, an innovative distillation technique which employed ultrasonic waves was proposed to intensify the conventional multi-column azeotropic distillation method into a single-column alternative. The effects of ultrasonic intensity on the vapor-liquid equilibrium (VLE) of methyl-tert-butyl-ether (MTBE)-methanol was investigated at 50, 100, 200, and 250 W/A·cm2 and at a fixed frequency of 40 kHz. Studies were also done to examine the effects of ultrasonic frequency on the VLE data at 25 and 68 kHz frequencies. It was found that ultrasonic waves at 50 W/A·cm2 intensity and 25 kHz frequency gave the highest relative volatility (α) at 2.654 and completely eliminated the MTBE-methanol azeotrope, thereby allowing highly pure MTBE to be recovered in just a single distillation column. The results revealed that ultrasonic waves had the potential to favorably manipulate α, and hence, the VLE of an azeotropic mixture. Keywords: Azeotropic mixturemethyl-tert-butyl-ether (MTBE)-methanol systemrelative volatilityultrasonic wavesvapor-liquid equilibrium ACKNOWLEDGEMENTS Special thanks are dedicated to Universiti Teknologi Malaysia, Skudai for providing a scholarship to Siti Kholijah Binti Abdul Mudalip to complete her postgraduate study." @default.
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- W1969815939 date "2009-07-31" @default.
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- W1969815939 title "Effects of Ultrasonic Waves on Vapor-Liquid Equilibrium of an Azeotropic Mixture" @default.
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- W1969815939 doi "https://doi.org/10.1080/01496390903014474" @default.
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