مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

APPLICATION OF IMPREGNATED ALMOND SHELL ACTIVATED CARBON BY ZINC AND ZINC SULFATE FOR NITRATE REMOVAL FROM WATER

Pages

  125-130

Abstract

 In this study impregnated almond shell ACTIVATED CARBON by Zn° and ZnSO4 were used as adsorbent with a particle size of 10-20 mesh. The objective of this research was to determine the ability of impregnated ACTIVATED CARBON in NITRATE removal. The modified ACTIVATED CARBON had 1mm effective size, with a uniformity coefficient of 1.18. Potassium NITRATE solution was used in batch ADSORPTION experiments for NITRATE removal from water. The effects of NITRATE concentration, ACTIVATED CARBON dosage and time of contact were studied. Experimental data showed that modified ACTIVATED CARBON by Zn° and ZnSO4 was more effective than virgin almond ACTIVATED CARBON for NITRATE removal. The maximum NITRATE removal was 64%-80% and 5%-42% for modified ACTIVATED CARBON and virgin ACTIVATED CARBON, respectively. While virgin ACTIVATED CARBON used, NITRATE-N decreased from 20 to 15mg/L in 30min reaction. The final NITRATE concentration was not in the standard range of WHO recommendations for water quality; while impregnated ACTIVATED CARBONs were used, NITRATE drcreased to <10mg/L. Maximum removal was over 16-17mg NITRATE-N per 1g ACTIVATED CARBON for impregnated ACTIVATED CARBON. The experiments were conducted at pH=6.2, 20°C and initial concentrations of 20mg/L NITRATE-N. Increase in modified ACTIVATED CARBON dosage increased the NITRATE removal efficiency. The equilibrium time was found to be 45min for modified ACTIVATED CARBON.

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    APA: Copy

    REZAEI, A., GODINI, H., DEHESTANI, S., & KHAVANIN, A.. (2008). APPLICATION OF IMPREGNATED ALMOND SHELL ACTIVATED CARBON BY ZINC AND ZINC SULFATE FOR NITRATE REMOVAL FROM WATER. IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE), 5(2), 125-130. SID. https://sid.ir/paper/534666/en

    Vancouver: Copy

    REZAEI A., GODINI H., DEHESTANI S., KHAVANIN A.. APPLICATION OF IMPREGNATED ALMOND SHELL ACTIVATED CARBON BY ZINC AND ZINC SULFATE FOR NITRATE REMOVAL FROM WATER. IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE)[Internet]. 2008;5(2):125-130. Available from: https://sid.ir/paper/534666/en

    IEEE: Copy

    A. REZAEI, H. GODINI, S. DEHESTANI, and A. KHAVANIN, “APPLICATION OF IMPREGNATED ALMOND SHELL ACTIVATED CARBON BY ZINC AND ZINC SULFATE FOR NITRATE REMOVAL FROM WATER,” IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE), vol. 5, no. 2, pp. 125–130, 2008, [Online]. Available: https://sid.ir/paper/534666/en

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