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Table 3.7 Soluble metabolites obtained from different mixing ratio of SLS to POME with initial organic concentration of 7 g-

VS added/L.

Treatments Ethanol Acetic acid Propionic acid Butyric acid Lactic acid C/N H 2 yield
(SLS:POME %v/v) (mM) (mM) (mM) (mM) (mM) ratio (mL H 2/g-VS added)

100 (SLS) 6.37±0.46 11.97±0.70 3.95±0.45 3.76±0.31 12.04±0.28 3.3 20.1±4.9
100 (POME) 6.39±0.71 14.22±1.20 3.34±1.52 16.72±0.79 0.00±0.00 27.6 110.9±2.3
95:5 9.56±0.58 22.71±2.24 0.00±0.00 0.00±0.00 29.72±0.28 4.5 36.3±2.5
90:10 7.18±0.71 24.20±0.28 4.28±0.47 0.00±0.00 13.28±0.37 5.8 36.9±3.0
85:15 6.08±0.62 21.84±0.24 3.16±0.25 2.72±0.55 32.50±1.17 6.2 39.9±2.1
80:20 0.00±0.00 20.65±0.85 2.93±0.12 2.51±0.07 18.32±0.28 8.2 48.1±0.8
75:25 1.80±0.51 24.55±0.78 3.31±0.03 1.71±0.82 20.77±0.02 9.4 50.8±1.8
70:30 2.16±0.01 20.42±0.57 4.65±0.79 2.39±0.42 16.65±0.47 10.6 54.2±0.7
65:35 1.37±0.02 17.82±0.53 2.24±1.37 4.32±0.24 25.26±0.37 11.8 61.1±3.4
60:40 0.00±0.00 30.85±0.84 2.94±0.76 2.50±0.33 4.05±0.51 13.0 69.7±1.5
55:45 1.87±0.52 18.92±0.78 5.69±0.95 2.56±0.49 0.00±0.00 14.2 71.8±1.7
50:50 1.58±0.25 26.83±0.40 7.59±1.14 4.79±0.08 3.12±0.56 15.5 85.7±4.9

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