Biogas potential and methanogenic community shift in in-situ anaerobic sewage sludge digestion with food waste leachate additions

Applied Biological Chemistry

Table 6 Actual methane yield based on VS in target biogasification facilities

Sample	Methane yield (Sm³CH₄/kgVS_in^b)	Methane yield^b (Sm³CH₄/kgVS_rem^c)
SD^a	0.10	0.262
CD1	0.22	0.423
CD2	0.30	0.538
CD3	0.34	0.475
Average	0.24	0.424

CD: Combined anaerobic digestion facility treating sewage sludge and food waste (leachate)
^aSD: Anaerobic digestion facility treating sewage sludge only
^bVS_in: based on values analyzed from sample of inlet
^cVS_rem: based on values calculated from removed VS