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THERMOCHEMICAL CONVERSION OF BIOMASS 3 - Coggle Diagram
THERMOCHEMICAL CONVERSION OF BIOMASS 3
PYROLYSIS
CHARACTERISTICS
Hemicellulose (200-260°C)
Cellulose (240-340°C)
Moisture (110°C)
Lignin (280-500°C)
PRODUCTS
Liquid
Char
Gas
FAST PYROLYSIS (FLASH)
< Residence time
Higher liquid yield (60-70%)
Increase P
Moderate T (400-500°C)
Rapid quenching
BIO-OIL
Low viscosity
Dark brown
15-20% water
TECHNOLOGY
Entrained flow
Fluid bed
Rotating cone
Circulating fluid bed & transport reactor
Cyclonic
Auger
Ablative
HYDROCRACKING
Produce synfuel from bio-oil
Green diesel
CARBONIZATION
To obtain charcoal
T= 400-600°C
Almost or complete absence of air / oxygen
Increase C (80%) without production of hydrogen gas
CHAR
Solid
Unstable
Energy, Filtration, Fertilizer