Skip to main content

Table 2 Physicochemical analysis and elemental compositions of leafy vegetable residues

From: Study on biomethane production and biodegradability of different leafy vegetables in anaerobic digestion

Samples TS (%) VS (%) VS/TS (%) C (%TS) H (%TS) O (%TS) N (%TS) C/N
V1 4.82 ± 0.02 4.35 ± 0.02 90.25 39.51 ± 0.12 5.75 ± 0.01 40.00 ± 0.13 4.54 ± 0.01 8.70
V2 3.47 ± 0.02 2.86 ± 0.03 82.42 35.66 ± 0.21 5.26 ± 0.01 35.73 ± 0.05 5.36 ± 0.01 6.65
V3 10.89 ± 0.05 9.45 ± 0.05 86.78 42.82 ± 0.13 5.81 ± 0.01 32.03 ± 0.07 5.68 ± 0.01 7.54
V4 10.50 ± 0.06 9.95 ± 0.05 94.76 44.58 ± 0.23 6.07 ± 0.02 39.11 ± 0.04 4.53 ± 0.01 9.84
V5 8.04 ± 0.09 7.26 ± 0.08 90.30 43.60 ± 0.15 6.24 ± 0.01 33.47 ± 0.02 6.54 ± 0.01 6.67
V6 4.96 ± 0.05 3.43 ± 0.05 69.15 35.06 ± 0.41 4.81 ± 0.01 24.60 ± 0.07 4.34 ± 0.00 8.08
V7 6.41 ± 0.04 4.83 ± 0.00 75.35 37.04 ± 0.06 5.23 ± 0.01 27.50 ± 0.11 5.20 ± 0.01 7.12
V8 11.19 ± 0.19 8.18 ± 0.17 73.10 37.88 ± 0.17 5.47 ± 0.01 24.60 ± 0.10 4.79 ± 0.01 7.91
V9 8.96 ± 0.07 8.10 ± 0.07 90.40 42.24 ± 0.23 6.32 ± 0.02 35.48 ± 0.06 5.91 ± 0.00 7.15
V10 6.89 ± 0.07 6.29 ± 0.07 91.29 41.61 ± 0.23 5.81 ± 0.03 39.88 ± 0.05 3.53 ± 0.01 11.79
V11 2.83 ± 0.01 2.47 ± 0.01 87.28 43.16 ± 0.13 5.58 ± 0.01 33.80 ± 0.06 4.30 ± 0.01 10.04
V12 7.22 ± 0.22 5.26 ± 0.15 72.85 31.04 ± 0.08 4.38 ± 0.01 33.17 ± 0.08 3.90 ± 0.02 7.96
V13 5.11 ± 0.06 3.86 ± 0.02 75.54 33.12 ± 0.15 4.77 ± 0.01 33.53 ± 0.09 3.74 ± 0.01 8.86
V14 5.69 ± 0.06 5.13 ± 0.05 90.16 41.49 ± 0.11 6.29 ± 0.01 35.83 ± 0.04 6.09 ± 0.01 6.81
V15 5.80 ± 0.06 4.28 ± 0.06 73.79 30.40 ± 0.08 4.60 ± 0.01 34.18 ± 0.11 4.25 ± 0.02 7.15
V16 6.94 ± 0.10 6.12 ± 0.11 88.18 38.97 ± 0.16 5.39 ± 0.01 38.89 ± 0.05 4.49 ± 0.03 8.68
V17 5.91 ± 0.24 4.29 ± 0.20 72.59 33.06 ± 0.10 4.78 ± 0.01 29.76 ± 0.03 4.62 ± 0.01 7.16
V18 5.52 ± 0.02 4.46 ± 0.02 80.80 36.28 ± 0.09 5.19 ± 0.01 34.35 ± 0.04 4.58 ± 0.01 7.92
V19 7.37 ± 0.05 6.17 ± 0.04 83.72 38.12 ± 0.13 5.62 ± 0.01 34.55 ± 0.06 5.01 ± 0.00 7.61
V20 4.13 ± 0.03 3.17 ± 0.01 76.76 35.55 ± 0.07 5.27 ± 0.02 30.44 ± 0.05 5.11 ± 0.01 6.96