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Biodegradabilidad de residuos de alimentos preparados bajo condiciones mesofílicas y termofílicas utilizando un reactor anaeróbico de mezcla completa.

dc.creatorRincon Ramirez, Maribet
dc.creatorRincon Lizardo, Nancy
dc.creatorMata Alvarez, Joan
dc.creatorChirinos, Ivan
dc.date2014-06-01
dc.identifierhttps://revistas.unimilitar.edu.co/index.php/rcin/article/view/6
dc.identifier10.18359/rcin.6
dc.descriptionThis research examined the anaerobic digestion of prepared food waste (PFW) in a complete mix anaerobic reactor (CMAR) with a useful volume of 3.5 L, with discontinuous flow under mesophilic conditions (MC) at 37 ºC and thermophilic conditions (TC) at 55 ºC. Its objective was to evaluate the biodegradability of PFW with different biological sludge and hydraulic retention times (HRT). Prior to degradation, a biodegradability test was performed with different proportions of carbohydrates (C), fruits and vegetables (FV), and proteins (P). This test showed that the highest production of biogas was obtained by working with the proportion C:FV:P 24:71:5 in MC and TC. This proportion was digested in the CMAR with HRT of 30, 25 and 15 days in MC and TC. For the MC, ST removals of 59 % and 67 % were obtained, and VS removals of 76 % and 81 % were obtained for 30 and 25 days-HRT, with methane yields of 0.64 L/gVSremoved and 0.31 L/gVSremoved. In the 15 day-HRT, an instability was registered due to CO2 concentrations of 60 %. During the TC (30 days-HRT), 67 % of TS were removed, 80 % of VS were removed, and methane yields of 0.58 L/gVSremoved were recorded. When the 25-days HRT was applied, the VFA increased until 2916 mg/L and the treatment was stopped. The best removals and biogas production were generated during the HRT of 30 d in MC with CACHAZA EFFLUENT sludge.en-US
dc.descriptionEn esta investigación se realizó la digestión anaeróbica de residuos de alimentos preparados (RAP) en un reactor anaeróbico de mezcla completa (RAMC) de 3,5 L, con flujo discontinuo bajo condiciones mesofílicas (CM) a 37 ºC y termofílicas (CT) a 55 °C. El objetivo fue evaluar la biodegradabilidad de RAP con distintos lodos biológicos y tiempos de retención hidráulicos (TRH). Antes de la degradación, se realizó un ensayo de biodegradabilidad con diferentes proporciones de carbohidratos (C) frutas y vegetales (FV) y proteínas (P) en el que se obtuvo una mayor producción de biogás al trabajar con la proporción C:FV:P 24:71:5 en CM y CT. La misma se utilizó en el RAMC con TRH de 30, 25 y 15 d en CM y CT. Para la CM se obtuvieron remociones en ST de 59 % y 67 %, SV de 76 % y 81 % para los TRH de 30 y 25 d, con producciones de metano de 0,64 L/gSVremovido y 0,31 L/gSVremovido. Durante el TRH de 15 d se registró una inestabilidad debido a concentraciones de CO2 del 60 %. Durante la CT (TRH de 30 d) se removieron 67 % de ST, 80 % de SV y se registraron producciones de metano de 0,58 L/gSVremovido. Cuando se implementó el TRH de 25 d se incrementaron los ácidos grasos volátiles hasta 2916 mg/L y se detuvo el tratamiento. Las mejores remociones y producción de biogás se generaron durante el TRH de 30 d en CM con el lodo EFLUENTE CACHAZA.es-ES
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dc.languagespa
dc.publisherUniversidad Militar Nueva Granadaes-ES
dc.relationhttps://revistas.unimilitar.edu.co/index.php/rcin/article/view/6/4
dc.relationhttps://revistas.unimilitar.edu.co/index.php/rcin/article/view/6/1814
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dc.rightsDerechos de autor 2016 Ciencia e Ingeniería Neogranadinaes-ES
dc.sourceCiencia e Ingenieria Neogranadina; Vol. 24 No. 1 (2014); 29-48en-US
dc.sourceCiencia e Ingeniería Neogranadina; Vol. 24 Núm. 1 (2014); 29-48es-ES
dc.sourceCiencia e Ingeniería Neogranadina; v. 24 n. 1 (2014); 29-48pt-BR
dc.source1909-7735
dc.source0124-8170
dc.subjectAnaerobic reactoren-US
dc.subjectfood wasteen-US
dc.subjectbiodegradability.en-US
dc.subjectReactor anaeróbicoes-ES
dc.subjectresiduos de alimentoses-ES
dc.subjectbiodegradabilidad.es-ES
dc.titleBiodegradability of prepared food waste under mesophilic and thermophilics conditions using a complete mix anaerobic reactor.en-US
dc.titleBiodegradabilidad de residuos de alimentos preparados bajo condiciones mesofílicas y termofílicas utilizando un reactor anaeróbico de mezcla completa.es-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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