Goel, R High-performance closed loop anaerobic digestion using pre/post sludge ozonation. [electronic resource] - Water science and technology : a journal of the International Association on Water Pollution Research 2003 - 261-7 p. digital Publication Type: Journal Article ISSN: 0273-1223 Subjects--Topical Terms: Bacteria, Anaerobic--physiologyBioreactorsHydrolysisMethane--analysisOxidants, Photochemical--chemistryOxygen--chemistryOzone--chemistryVolatilizationWaste Disposal, Fluid--methods