Various voltage productions by microbial fuel cells with sedimentary inocula taken from different sites in one freshwater lake.

Abstract:

:In this study, single-chamber microbial fuel cells (MFCs) were inoculated with sedimentary samples taken from one freshwater shallow lake. After 98 days of operation, it was found that sedimentary inocula had strong effect on MFC performances, and Fe(III) contents in sediments were significantly related to voltage values produced from MFCs. Inoculation of the sedimentary sample from the site with the highest Fe(III) content led to the production of the highest voltage with a value of 580 mV, while voltage from the MFC inoculated with sediments from the site with the lowest Fe(III) concentration was less than 30 mV at the end of the experiments. In addition, microbial communities of anode biofilms from the MFCs with the highest and lowest voltages showed significant difference. This study will help enable scientific decisions to be made regarding the selection of freshwater sediments as MFC inoculum, and survey exoelectrogenic microorganisms within sediments.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Song TS,Cai HY,Yan ZS,Zhao ZW,Jiang HL

doi

10.1016/j.biortech.2011.11.136

subject

Has Abstract

pub_date

2012-03-01 00:00:00

pages

68-75

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(11)01898-0

journal_volume

108

pub_type

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