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Properties of Bio-Oil Derived from Eucalyptus Liquefaction with n-Octanol

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This paper focused on the analysis of heavy oil derived from biomass liquefaction. Fourier transform infrared spectroscopy (FTIR), gel permeation chromatography (GPC), as well as ultimate and heating value analyses demonstrated that heavy oil was mainly derived from lignin degradation in biomass. It was comprised of aromatic and phenolic compounds with hydroxyl, carbonyl, ether, and other oxygen-containing functional groups. The obtained heavy oil was a sticky solid, and its peak molecular weight contained two parts of 2805 and 242. The heating value of heavy oil was 36 MJ/kg, which was twice that of fast pyrolysis oil. Moreover, heavy oil had a low water content and its acidity was far less than that of fast pyrolysis oil, hence offering a promising prospect for fuel application. The thermogravimetric analysis (TG) showed that the whole process could be divided into four stages. In addition, kinetic analysis indicated that the combustion process ranging from 130–690 °C could be described as three consecutive first-order reactions. The corresponding activation energy of three phases was 22.76–28.58 kJ/mol, 3.838–6.457 kJ/mol, and 17.995–36.128 kJ/mol, respectively.
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Keywords: BIO-OIL; COMBUSTION KINETICS; LIQUEFACTION; PHYSICOCHEMICAL PROPERTIES

Document Type: Research Article

Publication date: September 1, 2019

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  • Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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