International Journal of Chemical Engineering / 2012 / Article / Tab 3

Review Article

Biofuels Production from Biomass by Thermochemical Conversion Technologies

Table 3

Characteristics of biochar produced by different processes/biomass types.

StudyBiomass sourceMoisture
(wt%)
CHNOAsh
(wt%)
Calorific value
(MJ/kg)
Temperature
(°C)
Yield
(wt%)

Boateng et al., [31]Switchgrass3.7860.713.990.758.725.8519.3750012.9

Mullen et al., [38]Wheat straw71.102.990.2925.6228.05*500~35–40

Abdullah and Wu, [57]Mallee wood4.660.35.30.1834.140.7022*300~56

Acikgoz et al., [58]Linseed61.632.574.0831.7324.12*550~15–20

Cao and Harris, [51]Dairy manure25.22.22~55350~20–35

Mohan et al., [59]Oak wood3.1782.832.700.318.052.9231.03*400 17–27
Pine wood2.6983.472.990.278.252.3031.68*
Oak bark1.5671.252.630.4612.9911.0925.75*450
Pine bark2.3168.252.510.3410.8015.7525.25*

Mullen et al., [37, 38]Corn cobs77.603.050.855.1113.3430.0*50018.9
Corn stover57.262.861.475.4532.7821.0*17.0

Mulligan et al., [60]Wheat straw4.673.62.342.588.013.328.1*50032
Mallee wood4.678.72.481.188.78.929.9*36

Salehi et al., [6]Mixed sawdust83.113.690.1813.0230.77*50020–27

Uzun et al., [39] Olive oil
residue
54.982.760.5341.7313.8115.06*400
56.212.160.3241.3116.7714.27*500
59.011.6139.3820.1715.18*550
61.161.0337.8121.6015.36*700

Yang et al., [61]Palm oil waste76.811.462.3211.4760028.57

*High heating value (HHV).

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