Ingeniería Civil y Mecánica

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Subject: search.filters.subject.ASERRÍN DE MADERA

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    Análisis del proceso de secado de aserrín de madera de eucalipto con lámparas infrarrojas para reducir el grado de humedad
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2021-04) Sailema Sisalema, Welington Paúl; Cabrera Anda, Santiago Paúl
    In this project, prior to carrying out the drying process, the necessary fundamentals for compacting the sawdust and drying it were investigated. Identifying the variables such as: the initial humidity, the final humidity, the heat necessary to dry the sawdust, the time and the efficient power of the incandescent lamps. For the study, two types of specimens of different configuration were manufactured, a flat plate and a cylindrical one. For the compaction of the biomass, the homogenization with binder was carried out, in this case white glue to obtain an adequate compaction, when obtaining the specimens it was verified that they all have the same weight 1.88 gr for the flat plate specimen and 1.30 gr For the cylindrical specimen, the initial humidity was 51.60 percent and 30 percent respectively, after drying, it was possible to remove the existing moisture in the specimens, obtaining weights of 0.91 gr for the two configurations, with times of 18 minutes for the flat plate specimen and 24 minutes for the cylindrical specimen. The heat fluxes necessary to dry the specimens were 3529.195 Joule for the flat plate specimen and 2023.399 Joule for the cylindrical specimen and the required power was 3,268Watt and 1,405Watt respectively. Finally, the temperature distribution analysis was carried out by means of a CFD analysis, which shows that after 9 of the prototype of the dryer is in operation, the desired temperature of 65 degrees Celsius is obtained.
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    Análisis del aserrín de madera como filtro natural para el tratamiento del agua residual proveniente del Camal Municipal del cantón Baños
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica. Carrera de Ingeniería Civil, 2017) Urbina Maldonado, David Francisco; Paredes Cabezas, Geovanny Anibal
    Water is the most important natural resource for the existence and development of life on our planet, but the generation of wastewater is one of the oldest environmental pollution problems caused by humans. Faced with this problem has been seeking alternatives for the treatment of wastewater, which is why in this project was implemented the use of wood sawdust as a filter material for the treatment of effluents produced in the Municipal Slaughterhouse of Canton Baños de Agua Santa, place that presented the ideal conditions for the development of this project. Samples of residual water generated by bovine and porcine cattle (raw and filtered) were obtained, on which BOD5, COD and Total Solids (ST) analyzes were performed. Once the results of the analyzed parameters were known, they were processed, suggesting an average filter efficiency of 79.49% in BOD5, 70.78% in COD and 86.60% in TS. The results indicate that the wood sawdust decreases the values of the parameters analyzed, but it was not possible to obtain the necessary efficiency so that the filtered water can be incorporated directly into a body of fresh water, before which the investigation is open so that continue to look for alternatives in the treatment of wastewater generated by the processes of cattle slaughter (trace waters), until obtaining the efficiency necessary to be able to evacuate the treated water directly.