Review Article

A Review of Intermediate Pyrolysis as a Technology of Biomass Conversion for Coproduction of Biooil and Adsorption Biochar

Table 3

Comparison of fast and intermediate biooil, fossil diesel, and biodiesel fuels.

PropertyIntermediateFastDieselBiodiesel

Water (%)1.7–15.3 [20, 39, 61, 104, 108, 109]15–30 [107, 110112]0.05 [108, 113]0.05 [108, 114116]
Ash (%), dry basis0.16–0.23 [20, 39, 108]0.01–1.5 [99, 111]<0.1 [108, 111]<0.2 [108, 114, 115]
C (%), dry ash free49–74 [18, 20, 27, 39, 104, 108, 109]54–61 [98, 107, 110, 111]85.6 [108, 110, 117]78.86 [108, 115, 116]
S (%), dry ash free0.1–3.3 [18, 27, 104, 108, 109]0.03–0.3 [112, 118]<0.8 [108, 110]<0.74 [108, 114116]
O (%), dry ash free8.72–33 [18, 20, 39, 104, 108, 109]35–40 [107, 110, 111]1.01 [108, 117]8.36–11 [115, 116, 119]
H (%), dry ash free6.79–10.6 [18, 20, 27, 39, 61, 104, 108, 109]5.5–7 [107, 110]13.37 [108, 117]11–13 [108, 115, 116]
N (%), dry ash free0.1–5.8 [18, 20, 27, 39, 104, 108, 109]0.4–2 [99, 112]<0.1 [108, 117]0.1 [108, 115, 116]
Density (g/cc), at 25oC0.95–1.082 [39, 104, 108]1.14–1.2 [107, 110, 111, 120]0.82 [108, 110]0.88 [108, 115, 116]
Viscosity (cp), at 40oC2.82–98 [39, 104, 109]15–100 [111, 112]1.9–4.1 [108, 110, 113]1.9–6 [108, 114116]
HHV (MJ/kg)22–40 [18, 20, 26, 27, 38, 39, 61, 104, 108, 109]16–19 [98, 107, 110, 111]45–47 [108, 110, 113]35–40 [115, 116, 121]