Anaerobic biotechnological approaches for production of liquid energy carriers from biomass |
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Authors: | Dimitar Karakashev Anne Belinda Thomsen Irini Angelidaki |
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Institution: | Institute of Environment & Resources DTU, Technical University of Denmark, Building 113, Lyngby, Denmark. |
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Abstract: | In recent years, increasing attention has been paid to the use of renewable biomass for energy production. Anaerobic biotechnological
approaches for production of liquid energy carriers (ethanol and a mixture of acetone, butanol and ethanol) from biomass can
be employed to decrease environmental pollution and reduce dependency on fossil fuels. There are two major biological processes
that can convert biomass to liquid energy carriers via anaerobic biological breakdown of organic matter: ethanol fermentation
and mixed acetone, butanol, ethanol (ABE) fermentation. The specific product formation is determined by substrates and microbial
communities available as well as the operating conditions applied. In this review, we evaluate the recent biotechnological
approaches employed in ethanol and ABE fermentation. Practical applicability of different technologies is discussed taking
into account the microbiology and biochemistry of the processes. |
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Keywords: | Acetone Anaerobic Biomass Butanol Ethanol |
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