OBTENCIÓN DE BIODIESEL A PARTIR DE ACEITES VEGETALES USADOS
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Universidad Industrial de Santander
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El presente trabajo muestra los resultados de la obtención de un biodiesel a partir de aceites vegetales usados por medio de la transesterificación con el alcohol etílico a escala laboratorio. Se confirmó que el mejor catalizador es de tipo básico (NaOH y KOH) y las condiciones más adecuadas de relación molar alcohol / AVU son (3,6-9:1) y la relación de catalizador / aceite es de (0,2-0,8) % w/w NaOH/ AVU, a 77 °C, con tiempos de reacción de 2 horas. En el trabajo se purificaron y caracterizaron las mezclas de Etil-ésteres obtenidos utilizando espectros de infrarrojo para su identificación.
The following report shows the results from the production of a biodiesel from waste vegetable oils, by means of transesterification with ethyl alcohol at a lab scale. It was demonstrated that the best catalyst is of Basic nature (NaOH and KOH) and the most adequate conditions of molar alcohol/AVU ratio are (3.6-9:1) and a ratio of catalyst to oil of (0.2-0.8)% w/w NaOH/AVU at 77 °C, with a reaction time of two hours. In the report the obtained ethyl ester mixtures were purified and characterized using Infrared spectra for its identification.
The following report shows the results from the production of a biodiesel from waste vegetable oils, by means of transesterification with ethyl alcohol at a lab scale. It was demonstrated that the best catalyst is of Basic nature (NaOH and KOH) and the most adequate conditions of molar alcohol/AVU ratio are (3.6-9:1) and a ratio of catalyst to oil of (0.2-0.8)% w/w NaOH/AVU at 77 °C, with a reaction time of two hours. In the report the obtained ethyl ester mixtures were purified and characterized using Infrared spectra for its identification.
Keywords
Used vegetal oils, Ethanol, Transesterification, Ethyl -Esters (biodiesel), Aceites Vegetales Usados (AVU), Etanol, Transesterificación, Etil- Esteres (biodiesel)