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Preparation of jet engine range fuel from biomass pyrolysis oil through hydrogenation and its comparison with aviation kerosene

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journal contribution
posted on 10.03.2020, 20:12 by Zeban Shah, Renato C. Veses, Julio C. P. Vaghetti, Vanessa D. A. Amorim, Rosangela da Silva

The Bio-oil was produced from the pyrolysis of agricultural wastes (Eucalyptus sawdust) and discarded soybean frying oil. The temperature of the pyrolysis system was initiated at 28°C and increased to 850°C. Atmospheric distillation of crude bio-oil was performed and a fraction at a temperature range 160–240°C (pyrolysis oil) was separated and subjected to GC-MS, 1H-NMR, TGA and FTIR analysis to identify the different properties and compounds present in pyrolysis oil. It was noticed that there was an abundance of oxygen and nitrogen containing compounds as well as other reactive species in pyrolysis oil. To reduce the amount of these species, the pyrolysis oil was subjected to hydrogenation in the presence of NiMo as a catalyst. After hydrogenation, the atmospheric distillation of hydrogenated bio-oil was performed and another fraction at temperature range 160–240°C (hydrogenated bio-oil) was separated and analyzed by the same techniques. It was noticed that during hydrogenation, more than 60% oxygenated and other reactive species were converted into hydrocarbons. Hydrogenated bio-oil showed very similar physico-chemical properties such as distillation curve, density, viscosity, freezing point, flash point, the presence of hydrocarbons and enthalpy of combustion as aviation kerosene also known as QAV-1.

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