Comparison of electrodialytic removal of Cu from spiked kaolinite, spiked soil and industrially polluted soil

Journal of Hazardous Materials
Lisbeth M OttosenMartin Kubal

Abstract

Electrokinetic remediation methods for removal of heavy metals from polluted soils have been subjected for quite intense research during the past years since these methods are well suitable for fine-grained soils where other remediation methods fail. Electrodialytic remediation is an electrokinetic remediation method which is based on applying an electric dc field and the use of ion exchange membranes that ensures the main transport of heavy metals to be out of the pollutes soil. An experimental investigation was made with electrodialytic removal of Cu from spiked kaolinite, spiked soil and industrially polluted soil under the same operational conditions (constant current density 0.2 mA/cm(2) and duration 28 days). The results of the present paper show that caution must be taken when generalising results obtained in spiked kaolinite to remediation of industrially polluted soils, as it was shown that the removal rate was higher in kaolinite than in both spiked soil and industrial polluted soil. The duration of spiking was found to be an important factor too, when attempting to relate remediation of spiked soil or kaolinite to remediation of industrially polluted soils. Spiking for 2 days was too short. However, spiking for 30 da...Continue Reading

References

Aug 8, 2001·Journal of Hazardous Materials·L M OttosenA Villumsen
Jan 25, 2003·Environmental Science & Technology·Pascal SuèrBert Allard
Mar 18, 2003·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Krishna R ReddyRichard E Saichek

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Citations

Oct 23, 2013·Journal of Hazardous Materials·Rebekah T Brosky, Sibel Pamukcu
May 9, 2008·Journal of Hazardous Materials·Do-Hyung KimJung-Seok Yang
Dec 19, 2007·The Analyst·Jeffrey R Bacon, Christine M Davidson
Feb 20, 2019·International Journal of Environmental Research and Public Health·Andrea LazoClaudia Gutiérrez
Oct 9, 2021·Environmental Monitoring and Assessment·Mohamed E GoherManar M Hussein

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