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Table 4 Energy amounts in the resulting biogas production from the anaerobic digestion of 1 kg of MU and MI leaves during 100 and 230 days

From: Comparative study of the methane production based on the chemical compositions of Mangifera Indica and Manihot Utilissima leaves

Samples concentrations

Methane yields for 100 days (l/g SV)

Methane yields for 230 days (l/g SV)

Energies for 100 days (kJ)

Energies for 230 days (kJ)

1.7 g MU/l

0

0.042

0

1357.0

6.7 g MU/l

0

0.036

0

1163.1

13.3 g MU/l

0.023

0.055

743.1

1777.0

49.5 g MU/l

0.1

0.104

3230.9

3360.2

1.7 g MI/l

0

0

0

0

6.7 g MI/l

0

0.023

0

703.2

13.3 g MI/l

0.004

0.012

122.3

366.9

54.4 g MI/l

0.001

0.002

30.6

61.1

  1. According to Shuku (2011), calorific power of methane is 37580 kJ/m3