Table 1 Different pyrolysis temperatures and elemental content of biochar

39.81 ± 1.12

5.74 ± 0.08

0.64 ± 0.04

42.56 ± 0.37

1.73 ± 0.012

0.86 ± 0.016

58.36 ± 1.25

3.51 ± 0.07

0.89 ± 0.01

15.45 ± 0.68

0.72 ± 0.013

0.20 ± 0.013

60.38 ± 1.32

3.01 ± 0.06

0.73 ± 0.02

11.95 ± 0.54

0.60 ± 0.012

0.15 ± 0.012

61.98 ± 1.10

2.32 ± 0.04

0.62 ± 0.03

6.50 ± 0.12

0.45 ± 0.014

0.08 ± 0.011

62.44 ± 1.02

1.90 ± 0.03

0.40 ± 0.01

5.39 ± 0.21

0.37 ± 0.011

0.07 ± 0.009

64.34 ± 1.43

1.77 ± 0.03

0.30 ± 0.02

0.88 ± 0.06

0.33 ± 0.010

0.01 ± 0.011

41.11 ± 1.25

5.12 ± 0.06

0.97 ± 0.02

48.35 ± 0.51

1.49 ± 0.016

0.88 ± 0.014

67.88 ± 0.89

3.79 ± 0.04

1.71 ± 0.01

14.73 ± 0.39

0.67 ± 0.012

0.16 ± 0.012

71.56 ± 1.62

3.52 ± 0.09

1.64 ± 0.04

10.57 ± 0.32

0.59 ± 0.013

0.11 ± 0.011

73.80 ± 1.14

2.70 ± 0.08

1.60 ± 0.03

8.52 ± 0.42

0.44 ± 0.011

0.09 ± 0.012

76.70 ± 1.92

2.14 ± 0.05

0.90 ± 0.01

5.70 ± 0.32

0.34 ± 0.012

0.06 ± 0.012

78.71 ± 1.82

2.07 ± 0.04

0.63 ± 0.03

2.91 ± 0.36

0.32 ± 0.013

0.03 ± 0.008

47.53 ± 1.53

5.96 ± 0.04

0.41 ± 0.02

41.84 ± 0.69

1.50 ± 0.017

0.65 ± 0.011

65.93 ± 1.39

4.57 ± 0.05

0.52 ± 0.05

19.49 ± 0.57

0.83 ± 0.010

0.22 ± 0.007

73.70 ± 1.37

3.50 ± 0.03

0.40 ± 0.02

12.13 ± 0.68

0.57 ± 0.013

0.12 ± 0.009

76.82 ± 1.26

2.74 ± 0.01

0.33 ± 0.01

9.21 ± 0.41

0.43 ± 0.010

0.09 ± 0.010

78.78 ± 1.22

2.03 ± 0.01

0.19 ± 0.01

7.48 ± 0.38

0.31 ± 0.009

0.07 ± 0.012

80.93 ± 1.09

1.43 ± 0.03

0.38 ± 0.02

5.14 ± 0.34

0.21 ± 0.008

0.05 ± 0.011

47.71 ± 1.04

6.23 ± 0.07

0.27 ± 0.04

44.22 ± 0.72

1.57 ± 0.015

0.70 ± 0.009

68.90 ± 1.01

4.41 ± 0.08

0.44 ± 0.02

21.98 ± 0.79

0.77 ± 0.007

0.24 ± 0.012

70.96 ± 1.62

3.52 ± 0.04

0.54 ± 0.06

19.41 ± 0.64

0.60 ± 0.008

0.21 ± 0.013

79.46 ± 1.33

2.85 ± 0.02

0.23 ± 0.03

10.52 ± 0.22

0.43 ± 0.007

0.10 ± 0.011

82.98 ± 1.45

2.05 ± 0.03

0.12 ± 0.01

7.44 ± 0.23

0.30 ± 0.006

0.07 ± 0.010

83.37 ± 1.53

1.49 ± 0.04

0.10 ± 0.01

6.31 ± 0.21

0.21 ± 0.006

0.06 ± 0.012