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LIST OF FIGURES (Continued)
Page
Figure 4.2 Variation of pH in H 2-CSTR reactor which was operated at different HRTs 56
under thermophilic temperatures; [1] HRT of 2.25 days and OLR of
20 g-VS/L d, [2,4] HRT of 4.50 days and OLR of 10 g-VS/L d,
and [3] HRT of 4.50 days and OLR of 5 g-VS/L d
Figure 4.3 Variation of hydrogen content in biogas at different HRTs achieved from 56
H2-CSTR reactor; [1] HRT of 2.25 days and OLR of 20 g-VS/L d, [2,4] HRT
of 4.50 days and OLR of 10 g-VS/L d, and [3] HRT of 4.50 days and OLR of 5
g-VS/L d
Figure 4.4 H 2-CSTR reactor performance achieved from co-digestion of SLS to POME 57
at different HRTs under thermophilic temperatures; [1] HRT of 2.25 days
and OLR of 20 g-VS/L d, [2,4] HRT of 4.50 days and OLR of 10 g-VS/L d,
and [3] HRT of 4.50 days and OLR of 5 g-VS/L d
Figure 4.5 Variation of soluble metabolite products achieved from H 2-CSTR reactor 57
at different HRTs under thermophilic temperatures; [1] HRT of 2.25 days
and OLR of 20 g-VS/L d, [2,4] HRT of 4.50 days and OLR of 10 g-VS/L d,
and [3] HRT of 4.50 days and OLR of 5 g-VS/L d
Figure 4.6 Variation of methane and carbon dioxide content achieved from CH 4-UASB 59
reactor at different HRTs under thermophilic temperatures; [1, 4] BA medium +
sucrose 2 g/L, [2] (BA medium + sucrose 2 g/L) + effluent H 2 at 1:1 (%v/v),
[3, 5, 7] BA medium + Effluent H 2 and [6] Effluent H 2 + NaHCO 3 2 g/L
Figure 4.7 Variation of soluble metabolite products achieved from CH 4-UASB reactor 60
at different HRTs under thermophilic temperatures; [1, 4] BA medium +
sucrose 2 g/L, [2] (BA medium + sucrose 2 g/L) + effluent H 2 at 1:1 (%v/v),
[3, 5, 7] BA medium + Effluent H 2 and [6] Effluent H 2 + NaHCO 3 2 g/L
