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Information Journal Paper

Title

PERFORMANCE EVALUATION OF NANOSCALE ZERO-VALENT IRON ADSORBED ON CALCIUM ALGINATE IN NITRATE REDUCTION IN AQUEOUS SYSTEMS

Pages

  67-75

Abstract

 There is nowadays a growing concern about NITRATE pollution in groundwater resources and its adverse impacts on the public health. The present experimental study was conducted to evaluate the efficiency of the Fe° CALCIUM ALGINATE process in NITRATE reduction. For this purpose, the effect of Fe° adsorbed on CALCIUM ALGINATE on NITRATE oxidation was investigated at a pH range of 2 to10, a contact time of 10 to 90 min, NITRATE concentrations of 50 to 300 mg/L and with calcium alginat concentrations of 0.5, 1, and 2 mg/L. NITRATE level in the effluent was measured using spectrophotometry. Results showed that a pH level of 3 and a contact time of 15 min were the optimal values in the Fenton process for NITRATE removal. Under these conditions, NITRATE removal efficiencies for FeIII, FeII, Feo, FeII/Feo/H2O2, and FeIII/Feo/H2O2 were 10.5, 27.6, 36.5, 62.3, and 74%, respectively, for a retention time of 90 min, an initial NITRATE concentration of 100 mg/L, an iron concentration of 10 mg/L, and a pH level of 4. The results indicate that the corrective fenton process with zero iron nano-particles can effectively reduce NITRATE under optimal conditions and that this method can be successfully used for the removal of similar compounds.

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    APA: Copy

    KARIMI, B., & RAJAEI, M.S.. (2015). PERFORMANCE EVALUATION OF NANOSCALE ZERO-VALENT IRON ADSORBED ON CALCIUM ALGINATE IN NITRATE REDUCTION IN AQUEOUS SYSTEMS. WATER AND WASTEWATER, 25(5 (93)), 67-75. SID. https://sid.ir/paper/104083/en

    Vancouver: Copy

    KARIMI B., RAJAEI M.S.. PERFORMANCE EVALUATION OF NANOSCALE ZERO-VALENT IRON ADSORBED ON CALCIUM ALGINATE IN NITRATE REDUCTION IN AQUEOUS SYSTEMS. WATER AND WASTEWATER[Internet]. 2015;25(5 (93)):67-75. Available from: https://sid.ir/paper/104083/en

    IEEE: Copy

    B. KARIMI, and M.S. RAJAEI, “PERFORMANCE EVALUATION OF NANOSCALE ZERO-VALENT IRON ADSORBED ON CALCIUM ALGINATE IN NITRATE REDUCTION IN AQUEOUS SYSTEMS,” WATER AND WASTEWATER, vol. 25, no. 5 (93), pp. 67–75, 2015, [Online]. Available: https://sid.ir/paper/104083/en

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