Water: Ecology and ManagementAspects on Anaerobic Digestion of Municipal Sludge, Some Aspects on its Sustainability and Possible EnhancementsDOI: 10.37247/WEM.1.2020.5DownloadAspects-on-Anaerobic-Digestion-of-Municipal-Sludge-Some-Aspects-on-its-Sustainability-and-Possible-Enhancements