Dewi Selvia Fardhyanti, Sri Kadarwati, Heny Dewayani, Ahmad Rosadi, Wengki Muhammad Alfriansyah
An exploration on renewable energy resources has been paid more attention due to the depletion of the fossil-based energy resource. In addition, their safe and environmentally friendly properties have attracted experts’ interest. One of the renewable energy resources is the bio-oil produced from sugarcane bagasse. The bio-oil was produced through a pyrolysis at 500 °C. However, the produced bio-oil showed a high content of phenolics, c.a. 40-60%. A liquid-liquid extraction to remove the phenolics using methanol-chloroform solvents would be beneficial to improve the stability of the bio-oil as well as to obtain high purity phenolics. Modelling of the liquid-liquid equilibria in the extraction was then developed using Non-Random Two-Liquid (NRTL) and UNIQUAC Functional-Group Activity Coefficients (UNIFAC) equations. The empirical quantitative data of phase equilibrium system were calculated on both the extract and raffinate phases. The lowest RMSD value of NRTL was 0.043160 and UNIFAC was 0.049950. Thus, the most suitable model was achieved using NRTL equation. © 2022 Trans Tech Publications Ltd, Switzerland.
Department of Chemical Engineering, Faculty of Engineering, Universitas Negeri Semarang, Central Java, Indonesia; Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang, Central Java, Indonesia; Department of Chemical Engineering, Politeknik Negeri Malang, East Java, Indonesia
