CHARACTERISTICS ANALYSIS OF AN ELECTRICITY-PRODUCING STRAIN <i>SHEWANELLA</i> XMS-1 FROM MARINE SEDIMENTS

ZHANG Zong-bin; YUE Zheng-bo; WU Jing-hang; WANG Jin

doi:10.13205/j.hjgc.202101004

Volume 39 Issue 1

Apr. 2021

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ZHANG Zong-bin, YUE Zheng-bo, WU Jing-hang, WANG Jin. CHARACTERISTICS ANALYSIS OF AN ELECTRICITY-PRODUCING STRAIN SHEWANELLA XMS-1 FROM MARINE SEDIMENTS[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(1): 33-39. doi: 10.13205/j.hjgc.202101004

Citation:

ZHANG Zong-bin, YUE Zheng-bo, WU Jing-hang, WANG Jin. CHARACTERISTICS ANALYSIS OF AN ELECTRICITY-PRODUCING STRAIN SHEWANELLA XMS-1 FROM MARINE SEDIMENTS[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(1): 33-39. doi: 10.13205/j.hjgc.202101004

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CHARACTERISTICS ANALYSIS OF AN ELECTRICITY-PRODUCING STRAIN SHEWANELLA XMS-1 FROM MARINE SEDIMENTS

doi: 10.13205/j.hjgc.202101004

1. School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China;
2. School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China

Received Date: 2020-01-13
Available Online: 2021-04-23

Abstract

Abstract

An electricity-producing strain XMS-1 was screened from sediments in the Xiamen Bay, and its related characteristics and application in environmental pollution control were analyzed. According to the morphological, biochemical properties of the strain and the results of 16S rRNA gene sequencing, the species and genera of the strain were determined. The electricity production performance of the strain was studied by constructing microbial fuel cell. At the same time, the reduction ability of hexavalent chromium, a typical heavy metal pollutant, was also explored. The bacterium was identify as Shewanella. When the initial inoculation concentration in MFC was OD₆₀₀=0.3, the maximum power density was 18 mW/m² and the current density was 243 mA/m². The bacterium could reduce Cr(Ⅵ) at pH of 7~8, and NaCl concentration of 0~6%. And this bacterium was proved to be capable of reducing Cr(Ⅵ) under the condition of wide pH and high salinity, and had good electricity production capacity. The bacterium XMS-1 had good potential in practical industrial wastewater treatment and provided scientific basis for seawater reclamation.
- microbial fuel cell,
- Cr(Ⅵ),
- wastewater treatment,
- screening,
- bacterium

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