Browsing by Author "Sanchez Castro, Felix Xavier"

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    Análisis de parámetros de fabricación en pellets de aserrín de eucalipto para mejorar sus características de combustión
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2025-02) Sanchez Castro, Felix Xavier; Cabrera Anda, Santiago Paúl
    The manufacture of sawdust pellets has gained popularity in recent years by taking advantage of waste from the wood industry. The quality of the pellets can vary significantly depending on the manufacturing processes used. Therefore, the present work focused on improving the final quality of the pellets by adding binder to find improvements in compaction and measure their quality during combustion. The humidity percentage of the sawdust was modified through a drying process, in which both temperature and time were varied. For the production of the pellets, a cylindrical manual compaction matrix was used, applying a pressure of 30 bars and cassava starch as a binder. Three different drying conditions were carried out: natural drying (room temperature) for 24 hours; drying at 105 degrees Celsius for 30 minutes; drying at 105 degrees Celsius for 4 hours. The results showed that, when using eucalyptus sawdust pellets dried at 105 degrees Celsius for 4 hours, the best combustion characteristics were achieved, since flame areas of 3,93 square centimeters were obtained, with flame heights of 1,97 centimeters, temperatures reached 580 degrees Celsius for 100 seconds, which favors a more efficient combustion. Likewise, volatile contents of 76,34 percent, ash 0,25 percent, fixed carbon 23,40 percent and a CO concentration of 207 ppm were obtained, which indicates a cleaner combustion.