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Sustainability 2015, 7(9), 11713-11726; doi:10.3390/su70911713

Sustainable and Efficient Pathways for Bioenergy Recovery from Low-Value Process Streams via Bioelectrochemical Systems in Biorefineries

1
Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6226, USA
2
Department of Chemical and Biomolecular Engineering, Bredesen Center for Interdisciplinary Research and Education, The University of Tennessee, Knoxville, TN 37996, USA
Academic Editor: Susan Krumdieck
Received: 18 June 2015 / Revised: 14 August 2015 / Accepted: 19 August 2015 / Published: 25 August 2015
(This article belongs to the Special Issue Sustainable Use of Biomass Energy)
View Full-Text   |   Download PDF [2182 KB, uploaded 25 August 2015]   |  

Abstract

Conversion of biomass into bioenergy is possible via multiple pathways resulting in the production of biofuels, bioproducts, and biopower. Efficient and sustainable conversion of biomass, however, requires consideration of many environmental and societal parameters in order to minimize negative impacts. Integration of multiple conversion technologies and inclusion of upcoming alternatives, such as bioelectrochemical systems, can minimize these impacts via production of hydrogen, electricity or other forms of energy from the low value streams and improve conservation of resources, such as water and nutrients via recycle and reuse. This report outlines alternate pathways integrating microbial electrolysis in biorefinery schemes to improve energy efficiency, while evaluating environmental sustainability parameters. View Full-Text
Keywords: microbial electrolysis; thermochemical; biochemical; lignocellulosic; algal conversion; sustainability metrics; lifecycle analysis; hydrogen; electroactive biocatalyst microbial electrolysis; thermochemical; biochemical; lignocellulosic; algal conversion; sustainability metrics; lifecycle analysis; hydrogen; electroactive biocatalyst
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Borole, A.P. Sustainable and Efficient Pathways for Bioenergy Recovery from Low-Value Process Streams via Bioelectrochemical Systems in Biorefineries. Sustainability 2015, 7, 11713-11726.

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