Removal Efficiency and Distribution Characteristics of PAHs in Coking Plant Contaminated Soils by In Situ Chemical Oxidation Remediation

Wei Fang Ma; Hao Guo; Jian Dong Ye; Dong Mei Han; Xiong Wei Ma

doi:10.4028/www.scientific.net/AMR.690-693.1490

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 690-693Removal Efficiency and Distribution...

Removal Efficiency and Distribution Characteristics of PAHs in Coking Plant Contaminated Soils by In Situ Chemical Oxidation Remediation

Abstract:

The aim of this study was to investigate the PAHs removal efficiency in coking plant contaminated soil when disposed by different oxidants with different dosages (hydrogen peroxide, Fenton’s reagent, modified Fenton’s reagent, potassium permanganate, activated sodium persulfate) and the PAHs distribution characteristics in removing parts, soil residue parts, recycling parts and supernate after oxidation reactions. Analyzed the variation characteristics of soil properties (pH and soil temperature) when used different oxidants in oxidation reactions process, screened out the effective and safe remediation oxidants. The research results indicated that the potassium permanganate has the best remediation ability and undemanding reaction conditions than other oxidants. The contaminant which be volatilized into surrounding environment was rarely when disposed by potassium permanganate in remediation process. Consequently, selecting potassium permanganate as remediation oxidant to treat PAHs in coking plant contaminated soils was the best choice.

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Periodical:

Advanced Materials Research (Volumes 690-693)

Pages:

1490-1494

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.690-693.1490

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Online since:

May 2013

Authors:

Wei Fang Ma, Hao Guo, Jian Dong Ye, Dong Mei Han, Xiong Wei Ma

Keywords:

Chemical Oxidation, Coking Plant Contaminated Soil, Distribution Characteristics, Remediation, Removal Efficiency

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