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Title: Hydrogen production from switchgrass via a hybrid pyrolysis-microbial electrolysis process

Abstract

A new approach to hydrogen production using a hybrid pyrolysis-microbial electrolysis process is described. The aqueous stream generated during pyrolysis of switchgrass was used as a substrate for hydrogen production in a microbial electrolysis cell, achieving a maximum hydrogen production rate of 4.3 L H2/L-day at a loading of 10 g COD/L-anode-day. Hydrogen yields ranged from 50 3.2% to76 0.5% while anode coulombic efficiency ranged from 54 6.5% to 96 0.21%, respectively. Significant conversion of furfural, organic acids and phenolic molecules was observed under both batch and continuous conditions. The electrical and overall energy efficiency ranged from 149-175% and 48-63%, respectively. The results demonstrate the potential of the pyrolysis-microbial electrolysis process as a sustainable and efficient route for production of renewable hydrogen with significant implications for hydrocarbon production from biomass.

Authors:
 [1];  [1];  [1];  [1];  [1];  [2]
  1. Univ. of Tennessee, Knoxville, TN (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1207055
Alternate Identifier(s):
OSTI ID: 1250372
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Bioresource Technology
Additional Journal Information:
Journal Volume: 195; Journal ID: ISSN 0960-8524
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
08 HYDROGEN; bioelectrochemical systems

Citation Formats

Lewis, Alex J., Ren, Shoujie, Ye, Philip, Kim, Pyoungchung, Labbe, Niki, and Borole, Abhijeet P. Hydrogen production from switchgrass via a hybrid pyrolysis-microbial electrolysis process. United States: N. p., 2015. Web. doi:10.1016/j.biortech.2015.06.085.
Lewis, Alex J., Ren, Shoujie, Ye, Philip, Kim, Pyoungchung, Labbe, Niki, & Borole, Abhijeet P. Hydrogen production from switchgrass via a hybrid pyrolysis-microbial electrolysis process. United States. https://doi.org/10.1016/j.biortech.2015.06.085
Lewis, Alex J., Ren, Shoujie, Ye, Philip, Kim, Pyoungchung, Labbe, Niki, and Borole, Abhijeet P. Tue . "Hydrogen production from switchgrass via a hybrid pyrolysis-microbial electrolysis process". United States. https://doi.org/10.1016/j.biortech.2015.06.085. https://www.osti.gov/servlets/purl/1207055.
@article{osti_1207055,
title = {Hydrogen production from switchgrass via a hybrid pyrolysis-microbial electrolysis process},
author = {Lewis, Alex J. and Ren, Shoujie and Ye, Philip and Kim, Pyoungchung and Labbe, Niki and Borole, Abhijeet P.},
abstractNote = {A new approach to hydrogen production using a hybrid pyrolysis-microbial electrolysis process is described. The aqueous stream generated during pyrolysis of switchgrass was used as a substrate for hydrogen production in a microbial electrolysis cell, achieving a maximum hydrogen production rate of 4.3 L H2/L-day at a loading of 10 g COD/L-anode-day. Hydrogen yields ranged from 50 3.2% to76 0.5% while anode coulombic efficiency ranged from 54 6.5% to 96 0.21%, respectively. Significant conversion of furfural, organic acids and phenolic molecules was observed under both batch and continuous conditions. The electrical and overall energy efficiency ranged from 149-175% and 48-63%, respectively. The results demonstrate the potential of the pyrolysis-microbial electrolysis process as a sustainable and efficient route for production of renewable hydrogen with significant implications for hydrocarbon production from biomass.},
doi = {10.1016/j.biortech.2015.06.085},
journal = {Bioresource Technology},
number = ,
volume = 195,
place = {United States},
year = {Tue Jun 30 00:00:00 EDT 2015},
month = {Tue Jun 30 00:00:00 EDT 2015}
}

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Cited by: 64 works
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