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Electricity Generation from Rice Bran by a Microbial Fuel Cell and the Influence of Hydrodynamic Cavitation Pretreatment
- Source :
- ACS Omega, Vol 3, Iss 11, Pp 15267-15271 (2018), ACS Omega
- Publication Year :
- 2018
- Publisher :
- American Chemical Society, 2018.
-
Abstract
- Single-chamber microbial fuel cells (MFCs) were constructed using rice bran (carbon source) and pond bottom mud (microbial source). The total electric charge obtained in the MFC combining rice bran with pond bottom mud was four times higher than that in MFC using only rice bran. Phylogenetic analyses revealed dominant growth of fermentative bacteria such as Bacteroides and Clostridium species, and exoelectrogenic Geobacter species in the anode biofilms, suggesting that mutualism of these bacteria is a key factor for effective electricity generation in the MFC. Furthermore, rice bran, consisting of persistent polysaccharide, was pretreated by the hydrodynamic cavitation system to improve the digestibility and enhance the efficiency in MFC, resulting in 26% increase in the total production of electricity.
- Subjects :
- 0106 biological sciences
Microbial fuel cell
General Chemical Engineering
02 engineering and technology
Polysaccharide
01 natural sciences
Article
lcsh:Chemistry
010608 biotechnology
parasitic diseases
chemistry.chemical_classification
biology
Bran
Chemistry
digestive, oral, and skin physiology
Biofilm
food and beverages
General Chemistry
021001 nanoscience & nanotechnology
biology.organism_classification
Pulp and paper industry
Electricity generation
lcsh:QD1-999
Cavitation
0210 nano-technology
Bacteria
Geobacter
Subjects
Details
- Language :
- English
- ISSN :
- 24701343
- Volume :
- 3
- Issue :
- 11
- Database :
- OpenAIRE
- Journal :
- ACS Omega
- Accession number :
- edsair.doi.dedup.....7754a9ee726d46bc10351dfcf2990e67