PCP Removal by Sulfate Radical and Microwave (SR/MW) from Aqueous Solutions

PCP Removal by Sulfate Radical and Microwave (SR/MW) from Aqueous Solutions

Afsane Chavoshani

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Ghorban Asgari

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Seyed Ali Sajjadi

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Gonabad University of Medical Sciences

PCP Removal by Sulfate Radical and Microwave (SR/MW) from Aqueous Solutions

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Abstract

Pentachlorophenol (PCP) is one of the most pollutants frequently used in fungicides and pesticides. Its toxicity is due to intervention with oxidative phosphorylation. Acute and chronic PCP poisoning are approved in human and other living organisms. Recently, AOPs based on microwave and sulfate radical (SO 4 0-) have created many great scientific interests due to its high efficiency in the degradation and mineralization of recalcitrant and/or toxic organic pollutants. So that in this study for removal of PCP from wastewater, microwave/persulfate(MW/SPS) was used. The effects of operational parameters such as pH of solution, the power of microwave radiations and the amount of persulfate concentration were studied. Spectrophotometer and HPLC instruments were used for determining the concentration of PCP. The experimental results showed that the removal of PCP was influenced by many factors, such as the pH value, the amount of persulfate and microwave power. The optimum conditions for the best removal rate were obtained at pH=11, a persulfate concentration of 0.02mol/L and microwave irradiation power of 600W for MW/SPS system at constant PCP concentration. Also, obtained results showed that the removal of PCP by MW/SPS and MW alone were follow first order rate decay kinetics and the rate constants were 0.093 and 0.00066 min -1 , respectively.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

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How to Cite This Article

Afsane Chavoshani. 2014. \u201cPCP Removal by Sulfate Radical and Microwave (SR/MW) from Aqueous Solutions\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 14 (GJSFR Volume 14 Issue B6).

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GJSFR Volume 14 Issue B6

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

microwave oxidation process pentachlorophenol persulfate

Submission ReceivedSeptember 2, 2014
Peer Review Double Blind
Handling Editor
Accepted September 29, 2014
Published October 9, 2014

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v1.2

Issue date

December 18, 2014

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Article Matrices

Total Score: 83

Country: Iran

Subject: Global Journal of Science Frontier Research - B: Chemistry

Authors: Ghorban Asgari, Seyed Ali Sajjadi, Afsane Chavoshani (PhD/Dr. count: 0)

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