Abstract

ZANCHETT GROTH, Martin et al. Production and Viability of Using Biodiesel Derived from Residual Cooking Oil. Agrociencia Uruguay [online]. 2016, vol.20, n.2, pp.36-42. ISSN 1510-0839.

This study aimed to assess the proportion of biodiesel derived from soybean oil and sunflower oil in nature and other already used in frying, and to verify the feasibility of using these oils by testing machine hours. The frying oil was collected in restaurants. Ten repetitions were performed for each oil origin (ten for in natura soybean oil, ten for in natura sunflower oil, ten for reused of soybean oil, and ten for reused sunflower oil). Biodiesels originated from each reused oil (soybean and sunflower) were tested in agricultural machinery (tractors New Holland TL-65) to evaluate hours machine, using 4 L of biodiesel each per 80 L diesel with three replications and a control (diesel). A hundred percent biodiesel was obtained from in natura soybean and sunflower oils. From the oils reused from frying processes, 88 % was obtained for soy, and 88.15 % for sunflower. In testing machine hours, for biodiesel derived from sunflower reused oil, the average was 5.75 L h^-1 machine, for soybean biodiesel (6.20 L h^-1), and for diesel (6.00 L h^-1). These results show that biodiesel derived from cooking oil presents production feasibility, and has potential for use in agricultural machinery with optimal performance.

Keywords : SOYBEAN OIL; SUNFLOWER OIL; REUSE OF MATERIAL; BIOFUEL; AGROENERGY.

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