Frontiers of Environmental Science & Engineering >> 2018, Volume 12, Issue 4 doi: 10.1007/s11783-018-1067-2
Methanogenic community structure in simultaneous methanogenesis and denitrification granular sludge
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Abstract
• UASB with SMD granules was operated with high removal efficiency of COD and NO3--N. • Methanosaetaceae was absolute predominant methanogen in SMD granules. • The methanogen quantity and activity decreased as C/N decreased from 20:1 to 5:1. • Bacterial community succession happened with C/N decreasing.