Conversion Routes to Bioenergy

The energy available in biomass may be used either by direct use as in combustion, or by initial upgrading into more valuable and useful fuels such as charcoal, liquid fuels, producer gas or biogas. Thus, biomass conversion technologies can be separated into four basic categories: direct combustion, thermo-chemical conversion processes (pyrolysis, gasification), bio-chemical processes (anaerobic digestion, fermentation) and physico-chemical (the route to biodiesel).

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