Abstract:
:A new approach to hydrogen production using an integrated 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 anode-day at a loading of 10 g COD/L-anode-day. Hydrogen yields ranged from 50±3.2% to 76±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.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Lewis AJ,Ren S,Ye X,Kim P,Labbe N,Borole APdoi
10.1016/j.biortech.2015.06.085subject
Has Abstractpub_date
2015-11-01 00:00:00pages
231-41eissn
0960-8524issn
1873-2976pii
S0960-8524(15)00876-7journal_volume
195pub_type
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