Renato Cataluña1*, Zeban Shah2, Pedro Motifumi Kuamoto3, Elina B. Caramão4, Maria Elisabete Machado5, Rosangela da Silva6
Abstract— This paper describes the bio-oil production process of a mixture of agricultural wastes: discarded soybean frying oil, coffee and sawdust, by pyrolysis and thermal cracking in the presence of hydrogen. The fractions obtained in the pyrolysis and/or cracking processes were divided into a light fraction and a heavy one. All the fractions were analyzed by comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry detection (GC×GC/TOFMS). The characteristics of the fractions obtained in the cracking process in the presence of hydrogen were similar to those of petroleum-based naphtha, while the fractions obtained by pyrolysis contained significant quantities of compounds such as furanmethanol, hexanol, and benzofuran, whose commercial value is high.
Keywords— Biomass pyrolysis, Chromatography, Hydrogen, Thermal cracking.
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