PPy-MODIFIED ELECTRODE ENHANCING MFC-DRIVEN ELECTROKINETIC REMEDIATION OF URANIUM CONTAMINATED SOIL

WANG Yongdong; YUAN Ye; LIU Xinyuan; LI Mengting; LIU Qian; WANG Jinhua; MA Jianhong

doi:10.13205/j.hjgc.202402022

Volume 42 Issue 2

Feb. 2024

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2024 > 42(2): 182-191

WANG Yongdong, YUAN Ye, LIU Xinyuan, LI Mengting, LIU Qian, WANG Jinhua, MA Jianhong. PPy-MODIFIED ELECTRODE ENHANCING MFC-DRIVEN ELECTROKINETIC REMEDIATION OF URANIUM CONTAMINATED SOIL[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(2): 182-191. doi: 10.13205/j.hjgc.202402022

Citation:

WANG Yongdong, YUAN Ye, LIU Xinyuan, LI Mengting, LIU Qian, WANG Jinhua, MA Jianhong. PPy-MODIFIED ELECTRODE ENHANCING MFC-DRIVEN ELECTROKINETIC REMEDIATION OF URANIUM CONTAMINATED SOIL[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(2): 182-191. doi: 10.13205/j.hjgc.202402022

Citation:

WANG Yongdong, YUAN Ye, LIU Xinyuan, LI Mengting, LIU Qian, WANG Jinhua, MA Jianhong. PPy-MODIFIED ELECTRODE ENHANCING MFC-DRIVEN ELECTROKINETIC REMEDIATION OF URANIUM CONTAMINATED SOIL[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(2): 182-191. doi: 10.13205/j.hjgc.202402022

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PPy-MODIFIED ELECTRODE ENHANCING MFC-DRIVEN ELECTROKINETIC REMEDIATION OF URANIUM CONTAMINATED SOIL

doi: 10.13205/j.hjgc.202402022

WANG Yongdong^1,2,
YUAN Ye^1,2,
LIU Xinyuan^1,2,
LI Mengting^1,2,
LIU Qian^1,2,
WANG Jinhua^1,2,
MA Jianhong^{1,2
,
,}

1. School of Resource Environment and Safety Engineering, University of South China, Hengyang 421001, China;
2. Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydro Metallurgy, University of South China, Hengyang 421001, China

Received Date: 2023-02-02
Available Online: 2024-04-28

Abstract

Abstract

To investigate the performance of polypyrrole(PPy) modified electrodes in enhancing the electrokinetic remediation of uranium contaminated soil driven by a microbial fuel cell(MFC), PPy was used to modify the carbon felt electrodes, to investigate the effect of different ratios of PPy modified electrode on the electrical production performance of MFC, as well as the electrokinetic remediation performance on uranium contaminated soil. The results showed that the PPy-modified electrodes enhanced the power generation performance of MFC. The maximum voltage of CP100 reached 164 mV, and the maximum power density was 18.92 mW/m², which was 29.13% and 43.12% higher than the original carbon felt electrodes, respectively; PPy, as an MFC cathode, enhanced the removal of uranium from soil, and the adsorption rate of uranium in CP50 was about 13 times higher than that in the original carbon felt electrode; MFC, as a power source, effectively drove the migration of uranium from the anode to the cathode in the soil. The maximum removal rate of uranium near the anode of the CP50 experimental group was as high as 56.42%. PPy-modified electrodes can significantly enhance the power generation capacity of microbial fuel cells and uranium removal.
- electrokinetic remediation(EKR),
- microbial fuel cell(MFC),
- polypyrrole,
- soil pollution,
- uranium

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References(41)

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