Bio-Fuels: Second Generation

  • Biomass has a unique position among the renewable energy sources. In contrary to wind and solar energy, it enables a constant supply. Moreover: it is only from biomass, that one can produce even more valuable bio-fuels based on hydro-carbons (biogas, bio-diesel, bio-methanol, synthetic natural gas, biomass to liquid). Therefore, the usage of biomass for producing liquid fuels is the most promising one – it could be economical even without special support measures of energy policy (like feed-in tariff). There is a constant threat that such an energy usage will have a negative influence (directly or indirectly) on the food market. Due to already experienced mal-developments, there are very strict criteria for a new generation of the bio-fuels, the so-called second generation bio-fuels: – no interference with the food production chains, – usage of the complete biomass, – positive CO2 balance, and – increased conversion efficiency. Biomass to liquid based on Fischer-Tropsch synthesis is characterised by diesel and kerosene of excellent quality. Especially for aviation it is the only reliable possibility for introducing the renewable energy and improving the CO2 foot-print of that sector. Some main process developments and projects of the second generation bio-fuels are presented. Some of them may be very interesting applications of the biomass usage in Serbia.
  • Keywords
    renewable energy, bio-fuels second generation, biomass to liquid, Fischer-Tropsch synthesis, aviation fuels
  • Pages
    157 - 165
  • Submitted
  • Revised
  • Accepted
    0350-218X, 38 (2012), 2, 157-165
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