Figure 5. COD mass balance as a function of the IHOP for granular sludge-I plus ethanol as co-substrate after two days (COD expressed as g O2 l-1 liquid; oxygen uptake (■), methane production (▲), sum methane production + oxygen uptake (△), ethanol supplied (§§§) and oxygen supplied (----), methane values used were calculated from measurements after eight days)

From

Azo Dye Reduction by Methanogenic Granular Sludge Exposed to Oxygen

Maulin P Shah

International Journal of Environmental Bioremediation & Biodegradation. 2014, 2(1), 18-24 doi:10.12691/ijebb-2-1-4