Table 4: Biogas production and process performance in terms of TS, VS, and COD removal.

FeedstocksParametersPeriod I
(0–20 d)
Period II
(20–40 d)
Period III
(40–60 d)
Period IV
(60–80 d)
Period V
(80–100 d)
Period VI
(100–120 d)

1% PFAvg biogas
CH4%
TS removal%
VS removal%
COD removal%
pH

2% PFAvg biogas
CH4%
TS removal%
VS removal%
COD removal%
pH

5% FWAvg biogas
CH4%
TS removal%
VS removal%
COD removal%
pH

1% GTAvg biogas
CH4%
TS removal%
VS removal%
COD removal%
pH

2% GTAvg biogas
CH4%
TS removal%
VS removal%
COD removal%
pH

100% SSAvg biogas
CH4%
TS removal%
VS removal%
COD removal%
pH