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Anales de la Facultad de Ciencias Médicas (Asunción)

versión impresa ISSN 1816-8949


GIUBI, Jorge; BERNAL, Manuel  y  CANETE, Felicia. Biogas production from organic waste generated at the Hospital of Clinics: A preliminary study. An. Fac. Cienc. Méd. (Asunción) [online]. 2019, vol.52, n.3, pp.53-58. ISSN 1816-8949.


Biogas production is a natural process that occurs spontaneously in an anaerobic environment, carried out by microorganisms as part of the biological cycle of organic matter. Biodigesters are systems designed to optimize the production of biogas from agricultural wastes, manure or industrial effluents.


To carry out a preliminary study on the installation of organic biodigesters in the Hospital of Clinics in order to replace the use of energy in the form of liquefied cooking gas.


Quasi-experimental study of a non-equivalent control group consisting of two systems. In system 1, it has been exposed to shade, with 39 kilos of kitchen waste, 3 kilos of manure, 5.5 pH, 1 to 4 waste / water for 30 days. In system 2, it has been exposed to full sun, with 68 kilos of kitchen waste, 10 kilos of manure, 7 pH, 1 to 1 waste / water, for 30 days.


Gas production per month in system 2 was 4.6 liters, with no production observed in system 1 (p = 0.000). With an average production of kitchen waste at the Hospital of Clinics of 22077 ± 780 kilos per month, an estimated production of 1485 ± 61 liters of biogas (R2 = 97.98 p = 0.000) per month.


biodigesters allow obtaining clean and low-cost energy from a renewable source.

Palabras clave : biogas; gas; biodigester; energy; renewable..

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