Abstract

In this study, various solvents were evaluated for their efficacy in extracting biofuel components, such as acetone (ACT), n-butanol (nBuOH), ethanol (EtOH), and isobutanol (IBA) from aqueous solution at 37.5 °C and atmospheric pressure using liquid-liquid extraction (LLE). The extraction performance of solvents was evaluated by their solute distribution coefficients and selectivity. The experimental results are compared with theoretical prediction using ASPEN plus and the model shows an excellent fit. Among the solvents examined, 2,6-dimethyl-4-heptanol (DMHT) and 2-ethyl-1-hexanol (2E1H) are more effective solvents for the extraction of IBA and nBuOH from aqueous solution.

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