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- W4324135280 endingPage "162840" @default.
- W4324135280 startingPage "162840" @default.
- W4324135280 abstract "There is an urgent need for an effective remediation method for soil that has been heavily polluted by heavy metals. The application of polypyrrole/melamine foam (PPy-MF) auxiliary electrode in the traditional electrokinetic remediation (EKR) system greatly increased the removal efficiency of Cr(VI) by enhancing electrical conductivity in soil, current strength of the system, and optimized the distribution of the electric field. Because of the strong Lewis acid property of PPy, it can inhibit the development of an alkali front in the EKR process in addition to buffering the polarization of the catholyte's pH. Application of PPy-MF auxiliary electrode increased the removal rates of both total Cr and Cr(VI) by 34.5 % and 11.5 %, 26.1 % and 10.1 %, and 25.2 % and 9.9 % at 30 V, 45 V, and 60 V voltage conditions, respectively, compared with traditional EKR, and improved the overall soil Cr(VI) reduction rate. Additionally, due to the effective Cr(VI) adsorption reduction of PPy-MF, the total Cr concentration in the anolyte was significantly decreased. This study provides a facile and effective way in remediation of Cr(VI)-contaminated soils." @default.
- W4324135280 created "2023-03-15" @default.
- W4324135280 creator A5018138393 @default.
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- W4324135280 creator A5044982556 @default.
- W4324135280 date "2023-06-01" @default.
- W4324135280 modified "2023-10-16" @default.
- W4324135280 title "Application of novel polypyrrole/melamine foam auxiliary electrode in promoting electrokinetic remediation of Cr(VI)-contaminated soil" @default.
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- W4324135280 doi "https://doi.org/10.1016/j.scitotenv.2023.162840" @default.
- W4324135280 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36924972" @default.
- W4324135280 hasPublicationYear "2023" @default.