APPLICATION OF PHOTO-FENTON PROCESS FOR COD REMOVAL FROM WASTEWATER PRODUCED FROM SURFACTANT-WASHED OIL-CONTAMINATED (TPH) SOILS

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MEHRASBI MOHAMMAD REZA; SAFA SORUR; MAHVI AMIR HOSSEIN; ASSADI ALI; MOHAMMADI HAMED

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Journal: IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT Year:2012 | Volume:5 | Issue:3 (17) Page(s): 427-438

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Title

APPLICATION OF PHOTO-FENTON PROCESS FOR COD REMOVAL FROM WASTEWATER PRODUCED FROM SURFACTANT-WASHED OIL-CONTAMINATED (TPH) SOILS

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Keywords

TOTAL PETROLEUM HYDROCARBON (TPH)Q2

TWEEN 80Q2

ADVANCED OXIDATIONQ2

UV/FE2+/H2O2 PROCESSQ2

Abstract

Background and Objective: The base structure of total petroleum hydrocarbons (TPH) is made of hydrogen and carbon. Widespread use, improper disposal and accidental spills of this compounds lead to long term remaining of contaminations such as organic solvents and poly aromatic hydrocarbons (PAHs) in the soil and groundwater resources, resulting in critical environmental issues. In this study, an oil-contaminated soil was washed using TWEEN 80 surfactant and the application of photo- Fenton process (UV/Fe2+/H2O2) for treatment of the produced wastewater was evaluated.Materials and Methods: TWEEN 80 is a yellow liquid with high viscosity and soluble in water. In order to determine of the photo-Fenton process efficiency, we studied effective variables including Fe concentration, pH, H2O2 concentration, and irradiation time. The UV irradiation source was a medium-pressure mercury vapor lamp (400 w) vertically immersed in the solution within 2 L volume glass cylindrical reactor.Results: The results showed that efficiency of COD removal depends on the initial Fe concentration, pH, H2O2 concentration and irradiation time.Under optimum conditions, (Fe: 0.1 mM, H2O2: 0.43 mM, pH: 3 and UV light irradiation time: 2 hours) the removal efficiency of COD was 67.3%. pH plays a crucial role in the photo-Fenton process such that the removal efficiency increased with decreasing of pH.Conclusion: According to the results of this study, under acidic condition, this process is an efficient method for COD removal from the wastewater studied.

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APA: Copy

MEHRASBI, MOHAMMAD REZA, SAFA, SORUR, MAHVI, AMIR HOSSEIN, ASSADI, ALI, & MOHAMMADI, HAMED. (2012). APPLICATION OF PHOTO-FENTON PROCESS FOR COD REMOVAL FROM WASTEWATER PRODUCED FROM SURFACTANT-WASHED OIL-CONTAMINATED (TPH) SOILS. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 5(3 (17)), 427-438. SID. https://sid.ir/paper/145716/en

Vancouver: Copy

MEHRASBI MOHAMMAD REZA, SAFA SORUR, MAHVI AMIR HOSSEIN, ASSADI ALI, MOHAMMADI HAMED. APPLICATION OF PHOTO-FENTON PROCESS FOR COD REMOVAL FROM WASTEWATER PRODUCED FROM SURFACTANT-WASHED OIL-CONTAMINATED (TPH) SOILS. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2012;5(3 (17)):427-438. Available from: https://sid.ir/paper/145716/en

IEEE: Copy

MOHAMMAD REZA MEHRASBI, SORUR SAFA, AMIR HOSSEIN MAHVI, ALI ASSADI, and HAMED MOHAMMADI, “APPLICATION OF PHOTO-FENTON PROCESS FOR COD REMOVAL FROM WASTEWATER PRODUCED FROM SURFACTANT-WASHED OIL-CONTAMINATED (TPH) SOILS,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 5, no. 3 (17), pp. 427–438, 2012, [Online]. Available: https://sid.ir/paper/145716/en

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