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Product

Lignite Coal
ColorBrown to black
TextureSoft, crumbly, and porous
Density0.6 - 1.4 g/cm³
Heating value10 - 20 MJ/kg
Moisture content20 - 60%
Ash content6 - 40%
Sulfur content0.2 - 6%
Carbon content45 - 65%
Volatile matter20 - 45%
Fixed carbon15 - 40%
PorosityHigh
Particle size0.5 - 50 mm
SolubilityInsoluble in water, soluble in some organic solvents
ReactivityLow to moderate