Caracterização físico-químisca do biodiesel produzido a partir do óleo residual do restaurante universitário da unilab

Abstract

This study aimed to investigate the physicochemical characteristics of biodiesel produced from residual oil from the academic restaurant of the Universidade da Integração Internacional da Lusofonia Afro-Brasileira, with campuses located in the state of Ceará in the cities of Redenção and Acarape. Samples of the residual oil, from the academic restaurant, were collected with the company responsible for the meal supply. Through a transesterification reaction, for producing biodiesel, it was possible to obtain satisfactory parameters with the produced biodiesel. The obtained biodiesel analyzes were compared with physicochemical parameters adopted in Brazil and outside. Analyses were performed such as: humidity test, blaze point, specific mass, saponification time, calorific power and acidity index, peroxide and viscosity. Most of the analyzed samples were in accord with current norms, but the acid index values were above what the norm specify. The correction of the acid index is required to prevent the corrosion in engines in which that biofuel is used.