Biosorption Study of Zn(Ii), Cu(Ii), Pb(Ii) And Cd(Ii) Ions by Palm Leaves Activated Carbon

  • Khaled Muftah Elsherif Chemistry Department, Faculty of Science, University of Benghazi
  • Aisha Khalifa Ali University of Benghazi, Benghazi-Libya
  • Abdulfattah Mohammed Alkherraz University of Benghazi
  • Abdelmeneim El-Dali University of Benghazi
Keywords: Palm Leaves, Heavy Metals, Biosorption, Equilibrium, And Thermodynamics

Abstract

The aim of the present study is to investigate the efficiency of palm leaves activated carbon on the removal of lead (Pb), zinc (Zn), copper (Cu), and cadmium (Cd) from the aqueous solution. The effect of various process parameters such as pH (2 – 10), initial metal ion concentration (50 – 1000 mg/L), particle size (125, 500, 800 μm), and temperature (303, 313, 323 K) was studied using batch adsorption technique. Thermodynamic parameters were also evaluated. The maximum metal ion removal efficiency of 94.5, 94.1, 87.4, and 90.7% for Pb, Cd, Zn, and Cu, respectively, was reached at an optimum pH of 5, biosorbent dosage of 1.0 g, and initial metal ion concentration of 50 ppm. The Freundlich adsorption isotherm model best described the removal of metal ions on palm leaves activated carbon with high correlation coefficients (0.98 – 1.00). The adsorption process was found to be favorable since the intensity of adsorption, n lies within 1 to 10. The adsorption capacity values were 40.0, 38.3, 38.0, and 40.00 mg/g for lead (Pb), zinc (Zn), copper (Cu), and cadmium (Cd), respectively. The metal ion adsorption was also found to be endothermic in nature. The efficiency was increased with an increase in temperature implying the process should be performed at a controlled temperature

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Author Biographies

Aisha Khalifa Ali, University of Benghazi, Benghazi-Libya

Chemistry Department, Faculty of Science, University of Benghazi, Benghazi-Libya

Abdulfattah Mohammed Alkherraz, University of Benghazi

Chemistry Department, Faculty of Science, University of Benghazi, Benghazi-Libya

Abdelmeneim El-Dali, University of Benghazi

Chemistry Department, Faculty of Science, University of Benghazi, Benghazi-Libya

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Published
2019-12-17
How to Cite
Elsherif, K. M., Ali, A. K., Alkherraz, A. M., & El-Dali, A. (2019). Biosorption Study of Zn(Ii), Cu(Ii), Pb(Ii) And Cd(Ii) Ions by Palm Leaves Activated Carbon. To Chemistry Journal, 4, 8-17. Retrieved from https://purkh.com/index.php/tochem/article/view/544
Section
Research Articles

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