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Revista Ciencias Técnicas Agropecuarias
versión On-line ISSN 2071-0054
Resumen
MARTINEZ HERNANDEZ, Carlos M.; OECHSNER, Hans; BRULE, Mathieu y MARANON MAISON, Elena. Studies of some physical-mechanical and chemical property in organic waste to use for biogas production in Cuba. Rev Cie Téc Agr [online]. 2014, vol.23, n.2, pp. 63-69. ISSN 2071-0054.
The work approaches the study of some physical-mechanical and chemical properties of agricultural organic residuals which can be used in the biogas production in Cuba´s plants production, using their co-fermentation. It has also been necessary to collect agricultural biomass, canteen waste, influent and effluents of a biogas plant (“Niña Bonita”) next to Santa Clara’s city, Cuba, for their later analysis. the investigated biomasses samples (sorghum.49V-96, sorghum-132 R, sunflower JE-94, cassava, corn, sweet potato skin, bread, potatoes and peanut skin); as well as the influent and effluents of the investigated biogas plant were analyzed in some laboratories belonging to the Central University of Las Villas. Other analyses were done in the biogas lab at Hohenheim University. The maximum value of specifies methane yield achieved was with the sunflower JE-94 (0.393 m3/kg VS), while the minimum value was reached with the peanut shell (0.095 m3/Kg VS).The main objective of the work consists on determining some of the physical-mechanical and chemical properties like carbon nitrogen ratio (C/N), specific methane production (m3/kg VS), total solid (TS), organic total solid (oTS), alkalinity (pH) and volatile solid (VS) in agricultural organic residuals and canteen waste, which can be used for the production of biogas under co-fermentation with animal manure under Cuban conditions. In order to do this, we developed some experiments to syringes, small and real scale.
Palabras clave : agricultural organic residuals; plant of biogas; biomass.