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Biological denitrification in microbial fuel cells

Peter Clauwaert UGent, Korneel Rabaey UGent, Peter Aelterman UGent, Liesje De Schamphelaire UGent, Hai The Pham UGent, Pascal Boeckx UGent, Nico Boon UGent and Willy Verstraete UGent (2007) ENVIRONMENTAL SCIENCE & TECHNOLOGY. 41(9). p.3354-3360
abstract
Microbial fuel cells (MFCs) that remove carbon as well as nitrogen compounds out of wastewater are of special interest for practice. We developed a MFC in which microorganisms in the cathode performed a complete denitrification by using electrons supplied by microorganisms oxidizing acetate in the anode. The MFC with a cation exchange membrane was designed as a tubular reactor with an internal cathode and was able to remove up to 0.146 kg NO3--N m(-3) net cathodic compartment (NCC) d(-1) (0.080 kg NO3--N m(-3) total cathodic compartment d(-1) (TCC)) at a current of 58 A m(-3) NCC (32 A m(-3) TCC) and a cell voltage of 0.075 V. The highest power output in the denitrification system was 8 W m(-3) NCC (4 W m(-3) TCC) with a cell voltage of 0.214 V and a current of 35 A m(-3) NCC. The denitrification rate and the power production was limited by the cathodic microorganisms, which only denitrified significantly at a cathodic electrode potential below 0 V versus standard hydrogen electrode (SHE). This is, to our knowledge, the first study in which a MFC has both a biological anode and cathode performing simultaneous removal of an organic substrate, power production, and complete denitrification without relying on H-2-formation or external added power.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
CATHODE, NANOWIRES, WATER TREATMENT, ELECTRICITY-GENERATION, ANAEROBIC RESPIRATION, BIOFILM-ELECTRODE REACTOR, OXYGEN REDUCTION, MEMBRANE, BACTERIA, REMOVAL
journal title
ENVIRONMENTAL SCIENCE & TECHNOLOGY
Environ. Sci. Technol.
volume
41
issue
9
pages
3354 - 3360
Web of Science type
Article
Web of Science id
000246371100055
JCR category
ENVIRONMENTAL SCIENCES
JCR impact factor
4.363 (2007)
JCR rank
4/154 (2007)
JCR quartile
1 (2007)
ISSN
0013-936X
DOI
10.1021/es062580r
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
381926
handle
http://hdl.handle.net/1854/LU-381926
date created
2007-11-09 15:18:00
date last changed
2014-01-08 15:12:28
@article{381926,
  abstract     = {Microbial fuel cells (MFCs) that remove carbon as well as nitrogen compounds out of wastewater are of special interest for practice. We developed a MFC in which microorganisms in the cathode performed a complete denitrification by using electrons supplied by microorganisms oxidizing acetate in the anode. The MFC with a cation exchange membrane was designed as a tubular reactor with an internal cathode and was able to remove up to 0.146 kg NO3--N m(-3) net cathodic compartment (NCC) d(-1) (0.080 kg NO3--N m(-3) total cathodic compartment d(-1) (TCC)) at a current of 58 A m(-3) NCC (32 A m(-3) TCC) and a cell voltage of 0.075 V. The highest power output in the denitrification system was 8 W m(-3) NCC (4 W m(-3) TCC) with a cell voltage of 0.214 V and a current of 35 A m(-3) NCC. The denitrification rate and the power production was limited by the cathodic microorganisms, which only denitrified significantly at a cathodic electrode potential below 0 V versus standard hydrogen electrode (SHE). This is, to our knowledge, the first study in which a MFC has both a biological anode and cathode performing simultaneous removal of an organic substrate, power production, and complete denitrification without relying on H-2-formation or external added power.},
  author       = {Clauwaert, Peter and Rabaey, Korneel and Aelterman, Peter and De Schamphelaire, Liesje and Pham, Hai The and Boeckx, Pascal and Boon, Nico and Verstraete, Willy},
  issn         = {0013-936X},
  journal      = {ENVIRONMENTAL SCIENCE \& TECHNOLOGY},
  keyword      = {CATHODE,NANOWIRES,WATER TREATMENT,ELECTRICITY-GENERATION,ANAEROBIC RESPIRATION,BIOFILM-ELECTRODE REACTOR,OXYGEN REDUCTION,MEMBRANE,BACTERIA,REMOVAL},
  language     = {eng},
  number       = {9},
  pages        = {3354--3360},
  title        = {Biological denitrification in microbial fuel cells},
  url          = {http://dx.doi.org/10.1021/es062580r},
  volume       = {41},
  year         = {2007},
}

Chicago
Clauwaert, Peter, Korneel Rabaey, Peter Aelterman, Liesje De Schamphelaire, Hai The Pham, Pascal Boeckx, Nico Boon, and Willy Verstraete. 2007. “Biological Denitrification in Microbial Fuel Cells.” Environmental Science & Technology 41 (9): 3354–3360.
APA
Clauwaert, P., Rabaey, K., Aelterman, P., De Schamphelaire, L., Pham, H. T., Boeckx, P., Boon, N., et al. (2007). Biological denitrification in microbial fuel cells. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 41(9), 3354–3360.
Vancouver
1.
Clauwaert P, Rabaey K, Aelterman P, De Schamphelaire L, Pham HT, Boeckx P, et al. Biological denitrification in microbial fuel cells. ENVIRONMENTAL SCIENCE & TECHNOLOGY. 2007;41(9):3354–60.
MLA
Clauwaert, Peter, Korneel Rabaey, Peter Aelterman, et al. “Biological Denitrification in Microbial Fuel Cells.” ENVIRONMENTAL SCIENCE & TECHNOLOGY 41.9 (2007): 3354–3360. Print.