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Evaluation of Water Melon Peels as Economic Adsorbents for Removal of High Levels of Iron from Different Water Sources

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  • Hassouna MEM
  • El Maghrabi AH

    (Department of Chemistry, Beni-Suef University, Egypt)

Abstract

Optimum conditions for the adsorption of iron onto crude and modified (with lactic acid and tri sodium citrate) water melons peels (WMP) from aqueous solution are investigated as inexpensive and eco-friendly available adsorbents. Water samples are gathered from different sources (surface, tap and ground). The three WMP forms are characterized by FT-IR and SEM. Adsorption variables such as- adsorbent dose, stirring time and pH have been optimized. The removal efficiency of the unmodified WMP reaches its maximum uptake in the pH range 4-6, the other modified WMP powders in the range 5-7. The removal process is slow in the first 10min. then it is gradually increased till equilibrium after 20min in case of unmodified WMP, the two modified forms reach equilibrium after 15min. Kinetic studies indicated that adsorption follows the Langmuir and Freundlich adsorption isotherms. Desorption processes assured the possibility to regenerate and reuse the adsorbents.

Suggested Citation

  • Hassouna MEM & El Maghrabi AH, 2019. "Evaluation of Water Melon Peels as Economic Adsorbents for Removal of High Levels of Iron from Different Water Sources," International Journal of Environmental Sciences & Natural Resources, Juniper Publishers Inc., vol. 17(4), pages 135-146, March.
    • Handle: RePEc:adp:ijesnr:v:17:y:2019:i:4:p:135-146
    DOI: 10.19080/IJESNR.2019.17.555970
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    References listed on IDEAS

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    1. Narendra Deo Tripathi & El Maghrabi AH & Elbably & Marzouk, 2017. "Evaluation of Green Clover Leaves as Green and Economic Sorbent for Removal of High Levels of Iron from Different Water Sources," International Journal of Environmental Sciences & Natural Resources, Juniper Publishers Inc., vol. 1(2), pages 46-52, January.
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      Keywords

      earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals ; juniper publishers reivew;
      All these keywords.

      JEL classification:

      • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
      • Z0 - Other Special Topics - - General

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