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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