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GASIFICATION - Coggle Diagram
GASIFICATION
Type of Gasifier
Fluidized Bed
fuel is fluidized in oxygen and steam or air
ash is removed dry
Fuel throughput is higher than for the fixed bed
agglomerating gasifiers have slightly
higher temperatures
suitable for
higher rank coals
Multiple Heart
Horizontal Fixed Bed
Modular Combustion Unit
primary and secondary
combustion chamber
Rotary kin
Vertical Fixed Bed
More sensitive to the mechanical characteristic of fuel
requires a uniform, homogeneous fuel
Possible to operate in counter-current
Application of Syn-Gas
Biodiesel
Electricity
Mechanical work
pure hydrogen
How it Work
nvolve the reaction of carbonaceous feedstock with an oxygen-containing reagent
Temperature: 800°C
fuel to be completely oxidized
and full combustion to occur
Advantage
Easy to handle, meter, control and burn
small-medium scale
Can be used to generate high quality fuel
Disadvantage
toxic and potentially explosive
requires a reliable control
equipment
The required syngas conditioning and
cleaning is today costly