Page 150 - Biomass Gasification, Pyrolysis And Torrefaction Practical Design and Theory
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Chapter | 4 Torrefaction 127
Magnetron
Raw biomass
Microwaves
Inert gas out Moving belt Inert gas in
Torrefied biomass
A. Microwave reactor
Raw blomass
Gas out
Gas
Torrefied blomass
Hot inert gas
B. Moving bed reactor
Feed belt Raw biomass
inlot
Gas out
Scraper Circulating
fan
Heat
exchanger
Moving
system
Torrefield Hot gas
blomass
C. Multiple hearth furnace
FIGURE 4.9 Schematic of some torrefaction technologies.