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Thermochemical conversion of biomass II - Coggle Diagram
Thermochemical conversion of biomass II
Pros
higher rate of conversion
wide range of input materials
higher exergy output
separation of pollutants (organic + inorganic)
Cons
open nutrient cycle (ash deposits P+K loss)
complex technology
open nutrient cycle (ash deposits P+K loss)
Examination of biomass material properties
Necessary before planning gasification
Ash composition and fusion point
Technical analysis (proximate analysis)
Element analysis
Fundamental phenomenon of biomass gasification
Evaporation of inherent moisture
Volatilization
Evaporation of surface moisture
Char gasification
Volatilization and gasification reaction
Char residue
Gasification reactor types
Up-draft gasifier
Fluidized bed gasifier
Down-draft gasifiers
Fixed bed
Bubbling fluidized bed
Circulating Fluidized Bed Gasifier
Char Gasification Reactions