PERFORMANCE EVALUATION OF MODIFIED FENTON PROCESS USING NANO SCALE ZERO-VALENT IRON IN NITRATE REDUCTION FROM AQUEOUS SOLUTION

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KARIMI BEHROOZ; RAJAIE MOHAMAD SADEGH; GHANADZADEH MOHAMAD JAVAD; MASHAYEKHI MASOME

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Journal: Iranian Journal of Health and Environment Year:2014 | Volume:6 | Issue:4 Page(s): 471-480

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Title

PERFORMANCE EVALUATION OF MODIFIED FENTON PROCESS USING NANO SCALE ZERO-VALENT IRON IN NITRATE REDUCTION FROM AQUEOUS SOLUTION

Author(s)

KARIMI BEHROOZ | RAJAIE MOHAMAD SADEGH | GHANADZADEH MOHAMAD JAVAD | MASHAYEKHI MASOME | Issue Writer Certificate

Keywords

ADVANCED OXIDATION PROCESSQ2

MODIFIED FENTONQ2

AQUEOUS SOLUTIONSQ2

REDUCTION OF NITRATEQ2

Abstract

Backgrounds and Objectives: Nowadays, global concerns about nitrate in groundwater and its adverse impact on health have increased. This study aims to evaluate the efficiency of nitrate reduction from aqueous solution through MODIFIED FENTON process using Nano scale zero-valent iron.Material and Methods: This research was an experimental study and performed at laboratory scale. Nitrate reduction was conducted by ADVANCED OXIDATION PROCESS of Feo/FeІІ/FeШ/H2O2 at pH 2-10, contact time 10-90 min, nitrate concentrations of 50-300 mg/L, and the molar ratio of [H2O2]/[Fe] 0.5-5. The effect of adding H2O2, molar ratio of reagents, contact time, and pH on nitrate removal was examined and optimal conditions for each of these parameters were determined. Spectrophotometer Dr/5000 was used to measure nitrate in the effluent.Results: We found that the optimal parameters in our study were pH 3, the molar ratio [H2O2]/[Feo] of 0.5, and the contact time 15 min. By applying these conditions, nitrate removal efficiency at the retention time 15 min, initial nitrate concentration of 100 mg/L, iron concentration of 10 mg/L, and pH 4 for FeIII FeІІ, Feo, FeІІ/Feo/H2O2 and FeIII/Feo/H2O2 was 10.5, 27.6, 36.5, 62.3, and 74% respectively.Conclusion: According to the experimental results, it was determined that MODIFIED FENTON process using zero iron nano-particles can reduce nitrate under optimal conditions and this method can be used for the removal of similar compounds.

Cites

Study of nitrate rate in some vegetables cultivated in Poldokhtar and Khorramabad, Lorestan province

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APA: Copy

RAJAIE, MOHAMAD SADEGH, GHANADZADEH, MOHAMAD JAVAD, & MASHAYEKHI, MASOME. (2014). PERFORMANCE EVALUATION OF MODIFIED FENTON PROCESS USING NANO SCALE ZERO-VALENT IRON IN NITRATE REDUCTION FROM AQUEOUS SOLUTION. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 6(4), 471-480. SID. https://sid.ir/paper/145938/en

Vancouver: Copy

RAJAIE MOHAMAD SADEGH, GHANADZADEH MOHAMAD JAVAD, MASHAYEKHI MASOME. PERFORMANCE EVALUATION OF MODIFIED FENTON PROCESS USING NANO SCALE ZERO-VALENT IRON IN NITRATE REDUCTION FROM AQUEOUS SOLUTION. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2014;6(4):471-480. Available from: https://sid.ir/paper/145938/en

IEEE: Copy

MOHAMAD SADEGH RAJAIE, MOHAMAD JAVAD GHANADZADEH, and MASOME MASHAYEKHI, “PERFORMANCE EVALUATION OF MODIFIED FENTON PROCESS USING NANO SCALE ZERO-VALENT IRON IN NITRATE REDUCTION FROM AQUEOUS SOLUTION,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 6, no. 4, pp. 471–480, 2014, [Online]. Available: https://sid.ir/paper/145938/en

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