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Table 3.8 Soluble metabolites obtained from different mixing ratio of SLS to POME with initial organic concentration of 21 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) 2.90±0.74 19.00±0.46 8.06±0.86 2.44±0.79 30.16±0.51 3.3 14.1±0.6
100 (POME) 5.22±0.12 14.91±0.33 1.08±0.20 1.22±0.57 35.65±3.28 27.6 0.9±0.1
95:5 3.70±0.10 19.28±1.08 9.25±0.29 14.36±0.33 38.45±0.96 4.5 20.4±2.0
90:10 5.62±0.06 17.06±0.81 10.00±0.58 18.69±1.41 47.91±2.37 5.8 29.0±0.9
85:15 6.14±0.31 22.11±1.54 10.32±0.40 19.92±1.56 47.03±1.22 6.2 36.1±1.2
80:20 6.05±0.29 19.99±2.59 9.34±0.66 16.65±3.13 51.34±0.91 8.2 38.4±1.3
75:25 7.09±0.76 24.95±1.13 10.09±0.90 22.20±2.00 53.93±0.21 9.4 38.2±0.9
70:30 6.15±0.35 24.39±0.35 5.80±0.63 18.99±0.19 50.77±1.17 10.6 37.8±0.9
65:35 6.13±0.18 29.88±0.36 1.25±0.52 20.42±0.39 54.58±0.05 11.8 36.8±0.8
60:40 6.68±0.21 30.70±0.60 1.14±0.47 15.45±0.74 25.99±0.28 13.0 29.6±0.5
55:45 7.29±0.50 27.37±0.65 0.00±0.00 4.65±0.47 16.00±0.19 14.2 18.3±0.6
50:50 5.20±0.89 28.75±0.65 1.17±0.39 2.39±0.44 11.17±0.33 15.5 8.5±2.1

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