Optimización de la Producción de Biocrudo mediante Licuefacción Hidrotérmica Catalizada de Buchón de Agua

Abstract

The main objective of this paper was to carry out the evaluation of the liquefaction process on Water Hyacinth biomass. To achieve this, a factorial experimental design with a cubic model was developed, for determining the effect of the variables temperature, time and liquid/solid ratio (L/S) on the response variable Energy Yield (EY). Best results were obtained at 300°C, 60 min and L/S = 10 (exp. 15) with RE of 6.34 MJ/kg biomass, at 300°C, 30 min and L/S = 10 (exp. 5) with EY of 6.31 MJ/kg biomass and at 270°C, 60 min and L/S = 20 (exp. 9) with 6.29 MJ/kg biomass, selecting the conditions of exp. 5 as the most appropriate given the lower L/S ratio and the shorter reaction time. The advantage of catalyst presence in the reaction was evident when comparing the results of the EY in exp. 26 with catalyst (5.9 MJ/kg biomass) and experiment without catalyst (3.3 MJ / kg biomass) under the same conditions. It was also possible to determine that the biooils were composed mainly of aromatic compounds, fatty acids, aliphatic hydrocarbons, ketones, aldehydes and alcohols, and carboxylic acids under more drastic conditions.