Lee, Dong-Yeol Continuous H2 and CH4 production from high-solid food waste in the two-stage thermophilic fermentation process with the recirculation of digester sludge. [electronic resource] - Bioresource technology Jan 2010 - S42-7 p. digital Publication Type: Journal Article ISSN: 1873-2976 Standard No.: 10.1016/j.biortech.2009.03.037 doi Subjects--Topical Terms: Bacteria, Anaerobic--metabolismBiodegradation, EnvironmentalBioreactorsFermentationFoodGarbageHot TemperatureHydrogen--metabolismHydrogen-Ion ConcentrationMethane--metabolismNitrogen--isolation & purificationOxygen--chemistryRefuse Disposal--methodsSewage--chemistry