INVESTIGATION OF ELECTROKINETIC METHOD EFFICIENCY IN THE REMOVAL OF MERCURY FROM CONTAMINATED CLAYEY SOIL

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KIAYEE ARASH; TAVAKOLI MOHAMMADI MOHAMMAD REZA; KHODADADI AHMAD

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2015 | Volume:17 | Issue:3 (66) Page(s): 31-48

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Title

INVESTIGATION OF ELECTROKINETIC METHOD EFFICIENCY IN THE REMOVAL OF MERCURY FROM CONTAMINATED CLAYEY SOIL

Author(s)

KIAYEE ARASH | TAVAKOLI MOHAMMADI MOHAMMAD REZA | KHODADADI AHMAD | Issue Writer Certificate

Keywords

ELECTROKINETIC REMEDIATIONQ2

CONTAMINATED SOILQ2

MERCURYQ2

KIQ2

NA-EDTAQ2

Abstract

Introduction: Electrokinetic is restoration method of CONTAMINATED SOILs using electric field. This method is used to decontaminate of heavy metals, anions and polar organic compositions from the soil. In this study, MERCURY removal efficiency from the clayey soil with 2/1 weight ratio of kaolin to sand is considered using this method and then optimum removal conditions are determined. The Kaolin provides suitable conditions to evaluate the electrokinetic method efficiency due to intense absorption of pollutant and suitable simulation of the contaminated site.Materials and method: In this research, total MERCURY concentration of the soil was 800 mg/kg and tests duration was 32 days. Experiments were performed in two voltage gradients of 1.0 and 1.5 VDC/cm and employing 0.1 M NA-EDTA, 0.1 & 0.4 M KI solutions and distilled water as catholyte. Results and Discussion: The results showed that the best efficiency, 99.03%, was achieved when the 0.4 M KI solution was employed with the 1.0 VDC/cm voltage gradients. Then, the profiles of electrical current, pH of anode and cathode reservoirs and pH, water content and electrical conductivity of soil were plotted and were discussed.

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APA: Copy

KIAYEE, ARASH, TAVAKOLI MOHAMMADI, MOHAMMAD REZA, & KHODADADI, AHMAD. (2015). INVESTIGATION OF ELECTROKINETIC METHOD EFFICIENCY IN THE REMOVAL OF MERCURY FROM CONTAMINATED CLAYEY SOIL. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 17(3 (66)), 31-48. SID. https://sid.ir/paper/86961/en

Vancouver: Copy

KIAYEE ARASH, TAVAKOLI MOHAMMADI MOHAMMAD REZA, KHODADADI AHMAD. INVESTIGATION OF ELECTROKINETIC METHOD EFFICIENCY IN THE REMOVAL OF MERCURY FROM CONTAMINATED CLAYEY SOIL. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2015;17(3 (66)):31-48. Available from: https://sid.ir/paper/86961/en

IEEE: Copy

ARASH KIAYEE, MOHAMMAD REZA TAVAKOLI MOHAMMADI, and AHMAD KHODADADI, “INVESTIGATION OF ELECTROKINETIC METHOD EFFICIENCY IN THE REMOVAL OF MERCURY FROM CONTAMINATED CLAYEY SOIL,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 17, no. 3 (66), pp. 31–48, 2015, [Online]. Available: https://sid.ir/paper/86961/en

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