Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

Removal of TPHs from Soil Media using Persulfate Oxidant in the Presence of Mineral Siderite

Tue Nov 29 03:48:16 2022

(2016) Removal of TPHs from Soil Media using Persulfate Oxidant in the Presence of Mineral Siderite. Malaysian Journal of Soil Science. pp. 67-78. ISSN 1394-7990

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Abstract

The objective of the present study was to evaluate the potential of persulfate (PS) oxidant in the presence of mineral siderite (SI) for remediation of fuel oil contaminated soils. Clay and sandy soils were selected as representative soils which were spiked with 5000 mg fuel oil per kilogram of dry' soil. The efleets of controlling factors such as different persulfate concentrations (100-500 mM), siderite concentrations (0.1-0.5 g), pH (3-9), and temperature (20-60 degrees C) were also investigated. The results indicated that in clay and sandy soil samples, the highest total petroleum hydrocarbon (TPHs) degradation was observed in the following condition: pH= 3, soils temperature =60 degrees C and PS/Fe (II) molar ratio = 400 mM/0.4 g and 300 mM/0.3 g in clay and sandy soil, respectively. Based on our findings, using persulfate oxidation in the presence of siderite as an activator is a promising technique to remediate soil contaminated by petroleum hydrocarbons.

Item Type: Article
Creators:
CreatorsEmail
Mohammadi, F.UNSPECIFIED
Alimohammadi, M.UNSPECIFIED
Mahvi, A. H.UNSPECIFIED
Nazmara, S.UNSPECIFIED
Mazloomi, S.UNSPECIFIED
Aslani, H.UNSPECIFIED
Keywords: Contaminated soil persulfate remediation siderite TPHs diesel-contaminated soil thermally activated persulfate in-situ remediation hydrogen-peroxide organic-compounds oxidation degradation sulfate mechanism kinetics Agriculture
Divisions:
Page Range: pp. 67-78
Journal or Publication Title: Malaysian Journal of Soil Science
Journal Index: ISI
Volume: 20
ISSN: 1394-7990
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/399

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