Adaptation of plastic tubular biodigesters to cold climates

摘要

FarmersintheAndeanPlateaustronglydemandforhouseholdbiodigestersduetothelackofcleanfuelsandagriculturalfertilizers,andtheabundanceoflivestockresidues.Thediffusionofruralbiodigestersincoldclimateormountainousruralzoneshasbeentraditionallyscarce.Theunfavorablerelationshipbetweenlowtemperaturesandthekineticsofbiogasproductionposesatechnologicalbarriertotheimplementationoflowcostbiodigesters.nbsp;Since2006,theResearchGrouponDevelopmentCooperationandHumanDevelopment(GRECDH)fromtheTechnicalUniversityofCatalonia(UPC),incollaborationwiththePeruvianNGOInstituteforanAlternativeAgriculture(IAA),investigatesonthedevelopmentofhouseholdbiodigestersadaptedtoextremeconditionsoftheAndeanPlateau(3000-4500m).Thisarticledescribestheresearchprojectanditsmainfindings.