Pyrolysis of grape bagasse: effect of pyrolysis conditions on the product yields and characterization of the liquid product |
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Authors: | Demiral Ilknur Ayan Emine Asli |
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Institution: | Department of Chemical Engineering, Faculty of Engineering and Architecture, Eski?ehir Osmangazi University, Me?elik Campus, 26480 Eski?ehir, Turkey |
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Abstract: | In this study, pyrolysis of grape bagasse was investigated with the aim to study the product distribution and their chemical compositions and to identify optimum process conditions for maximizing the bio-oil yield. Particular investigated process variables were temperature (350-600 °C), heating rate (10-50 °C/min) and nitrogen gas flow rate (50-200 cm3/min). The maximum oil yield of 27.60% was obtained at the final pyrolysis temperature of 550 °C, sweeping gas flow rate of 100 cm3/min and heating rate of 50 °C/min in a fixed-bed reactor. The elemental analysis and heating value of the bio-oils were determined, and then the chemical composition of the bio-oil was investigated using chromatographic and spectroscopic techniques such as column chromatography, 1H NMR and FTIR. The fuel properties of the bio-oil such as flash point, viscosity and density were also determined. The bio-oils obtained from grape bagasse were presented as an environmentally friendly feedstock candidate for bio-fuels. |
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Keywords: | Grape bagasse Pyrolysis Bio-oil Characterization |
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