Bio Fuels - Energy Content

Some bio fuels and their energy content

Approximately energy content in some biomass fuels:

Bio FuelEnergy content
(MJ/kg)

Alfalfa straw 18.5
Charcoal 30
Coal 28
Coconut husks 10
Coconut shells 18
Coffee husks 16
Commercial wastes 16
Cotton hulls 19.5
Cotton stalks 17.5
Domestic refuse 9
Dung, dried 16
Grass, fresh 4
Groundnut shells 20
Maize cobs 19
Maize stalks 18
Methane from biogas 55
Paper, newspaper 17
Peat 14.5
Oil 42
Rice hulls 15.5
Rice straw 15
Soybean stalks 19
Straw, harvested, baled 15
Sorghum bagasse 19
Sugar cane residues 17
Wheat straw 19
Wood, green with 60% moisture 6
Wood, air-dried to 20% moisture 15
Wood, oven-dried to 0% moisture 18
  • 1 MJ/kg = 0.28 kWh/kg = 430 Btu/lbm

Related Topics

  • Environment - Climate, meteorology, sun, wind and environmental resources
  • Combustion - Boiler house topics - fuels like oil, gas, coal, wood - chimneys, safety valves, tanks - combustion efficiency

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