title: Anaerobic wastewater treatment.
mesh_terms: D001421:Bacteria, Anaerobic / Q000378:metabolism*; D001673:Biodegradation, Environmental; D019605:Euryarchaeota / Q000378:metabolism; D005285:Fermentation; D006859:Hydrogen / Q000378:metabolism; D008697:Methane / Q000096:biosynthesis; D012722:Sewage; D014871:Water Microbiology
chemical_list: D012722:Sewage; D006859:Hydrogen; D008697:Methane