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Kinetics, Equilibrium And Thermodynamics Study On The Adsorption Of Pb2+ Ions By Water Hyacinth Powder From Both Industrial Wastewater And Aqueous Solution

Author

Listed:
  • Joseph Munene Mwaniki

    (University of Nairobi, Department of Chemistry, P.O Box 30197-00100, Nairobi Kenya)

  • John Onam Onyatta

    (University of Nairobi, Department of Chemistry, P.O Box 30197-00100, Nairobi Kenya)

  • Yusuf Amir Okeyo

    (University of Nairobi, Department of Chemistry, P.O Box 30197-00100, Nairobi Kenya)

Abstract

In this study, water hyacinth powder was an adsorbent for the removal of Pb2+ from an aqueous solution in batch. The individual adsorption capacity of Pb2+ by oven dried water hyacinth powder was studied. The study showed that the adsorption of Pb2+ is better described by the Langmuir isotherm model and the sorption capacity was found to be 16mg/g. Batch adsorption experiments were conducted were used to examine the effects of particle size, pH, contact time and adsorbent dosage on the removal of Pb2+ from aqueous solution by water hyacinth powder. The adsorption efficiency increased with pH and the optimum adsorption was observed at pH 4. Also, the adsorption efficiency of water hyacinth decreased with increase in particle size in the order: 300 425

Suggested Citation

  • Joseph Munene Mwaniki & John Onam Onyatta & Yusuf Amir Okeyo, 2022. "Kinetics, Equilibrium And Thermodynamics Study On The Adsorption Of Pb2+ Ions By Water Hyacinth Powder From Both Industrial Wastewater And Aqueous Solution," INWASCON Technology Magazine(i-TECH MAG), Zibeline International Publishing, vol. 4, pages 34-38, August.
    • Handle: RePEc:zib:zitecm:v:4:y:2022:p:34-38
    DOI: 10.26480/itechmag.04.2022.34.38
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