• Utilization of an emulsion liquid membrane for the extraction of ethanol – demy – 87pp – hardbound
  • Utilization of an emulsion liquid membrane for the extraction of ethanol – demy – 87pp – hardbound

Utilization of an Emulsion Liquid Membrane for the Extraction of Ethanol

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  • Authors: Aparna Gautam, Saurabh Yadav
  • Binding: Hardbound
  • Edition: 2023
  • ISBN: 978-93-92239-79-3
  • Language: English

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Description

The work presented in this book deals with the extraction of ethanol from aqueous solution and from real solution using emulsion liquid membrane. Emulsion liquid membrane technique is an effective and inexpensive method and is widely used for separation of hydrocarbons, amino acids, heavy metals, organic acids, dyes and ethanol extraction from aqueous solutions. In this book, the liquid membrane formation using hexane and light paraffin oil as membrane phases, lecithin and span 80 as surfactant and distilled water as internal phase, is reported. The parameters affecting the ethanol extraction such as surfactant concentration, stirring time, stirring speed, treatment ratio and volume ratio of membrane phase to internal phase has been studied. Using hexane as a membrane phase, the maximum ethanol extraction 51% was achieved at optimum conditions of surfactant concentration 2%, treatment ratio 1, stirring time 10 min, stirring speed 300 rpm and volume ratio of membrane phase to internal phase is 0.4. Ethanol was also extracted from aqueous solution using paraffin oil as a membrane phase. The response surface methodology design of experiment was used to find out the optimum condition of parameters in software MINITAB. Using ANOVA table, the contribution of each parameter was studied. At the optimum conditions such as surfactant concentration 2%, stirring time 15 min and treatment ratio 0.8 the maximum percentage extraction of ethanol 42% was obtained. The non-linear regression model was developed and verified with experimental data and found to be best fitted. The ethanol content of wine was reduced using emulsion liquid membrane. In the sixth stage, the ethanol content was reduced up to 85%.

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