EGG SHELL AS NATURAL SORBENT TO REMOVE CADMIUM IONS FROM SIMULATED WASTEWATER

Authors

  • Lahieb Faisal Muhaisen Environment Engineering Department, Mustansiriayah University, Baghdad, Iraq Author
  • Farah Faisal Muhaisen Civil Engineering Department,Mustansiriyah University, Baghdad, Iraq Author
  • Zainab Munaf Abdulkareem Environment Engineering Department, Mustansiriayah University, Baghdad, Iraq Author

Keywords:

cadmium ions, egg-shells, kinetic and isotherm models, thermodynamic, FTIR

Abstract

This research offers the ability to use natural waste as a biosorbent such as eggshells and their efficiency on heavy metals adsorption, like cadmium. Maximum removal was observed at pH 6.0. The efficiency of eggshells for the removal of cadmium was 89.7% at a 5g adsorbent dose. Effect of temperature change has been calculated, and parameters of thermodynamic indicated that the sorption of cadmium is favored at high temperatures and endothermic. FTIR was recorded before and after adsorption to show the number and position of the functional groups available for cadmium binding onto the studied adsorbent. It was found that Freundlich isotherm fitted well to the data; the Pseudo-second order model explains the cadmium kinetics more effectively. The results appeared that cadmium is considerably adsorbed on eggshells and it could be an economic method for the removal of cadmium from aqueous solutions.

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Published

2019-11-01

Issue

Vol. 23 No. 6 (2019): Journal of Engineering and Sustainable Development

Section

Articles

License

Creative Commons License

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How to Cite

EGG SHELL AS NATURAL SORBENT TO REMOVE CADMIUM IONS FROM SIMULATED WASTEWATER. (2019). Journal of Engineering and Sustainable Development, 23(6), 167-177. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/189