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Chromium Elimination from Contaminated Soil by Electro kinetic Remediation, Using Garlic Peels Powder
 
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1
Environment Engineering Department, Al-Mustansiriyah University, Baghdad, Iraq
 
2
Water Resources Engineering Department , College of Engineering, University of Baghdad, Baghdad, Iraq
 
 
Data publikacji: 06-07-2021
 
 
Autor do korespondencji
Laith Hamdan Hawal   

Environment Engineering Department, Al-Mustansiriyah University, Baghdad, Iraq
 
 
J. Ecol. Eng. 2021; 22(7):252-259
 
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STRESZCZENIE
In this paper, an electro-kinetic technique was applied to remove chromium from contaminated soil. This technique is appropriate for the soils with low permeability. Various experiments were carried out under different operating conditions, including various purging solutions. Garlic peels powder (GPP) was used in this study as a cheap adsorbent substance to avert the flow of reverse osmosis, which may affect the removal percentage. The results proved that the removal percentage increased as the pH of the purging solutions decreased. The first three experiments were performed with purging solution at pH of 4, 6, and 8 respectively. The highest removal percentage was 66.3% at pH of 4 compared to the other two experiments at pH of 6 and 8, where the removal percentages were 53.3% and 49.7%, respectively. This paper showed that the percentage of chromium removal decreased along with the voltage. The removal percentage at 1.5 V/cm was 66.3%, while at 1 V/cm was 61%. Garlic peels powder (GPP) is considered as an effective adsorbent material to avert the reverse osmosis flow. Therefore, the use of this material in this study will give a new impression on the application of these products as an absorbent medium.
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