Chromium Elimination from Contaminated Soil by Electro-Kinetic Remediation, Using Garlic Peels Powder

• Autorzy: Hawal Laith Hamdan , Al-Sulttani Ali Omran , Kariem Nagam Obaid

Identyfikatory

DOI

10.12911/22998993/139117

• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

chromium; soil; electrokinetic; removal percentage; garlic peels powder

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2021
• Tom: Vol. 22, nr 7
• Strony: 252--259
• Opis fizyczny: Bibliogr. 22 poz., rys., tab.

Twórcy

autor

Hawal Laith Hamdan

• Environment Engineering Department, Al-Mustansiriyah University, Baghdad, Iraq

• https://orcid.org/0000-0003-0624-3321

autor

Al-Sulttani Ali Omran

• Water Resources Engineering Department, College of Engineering, University of Baghdad, Baghdad, Iraq

• https://orcid.org/0000-0001-8734-5287

autor

Kariem Nagam Obaid

• Environment Engineering Department, Al-Mustansiriyah University, Baghdad, Iraq

• https://orcid.org/0000-0001-6934-669X

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