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Journal of Applied Sciences
  Year: 2017 | Volume: 17 | Issue: 6 | Page No.: 296-305
DOI: 10.3923/jas.2017.296.305
 
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Cadmium Removal from Aqueous Solution Using Superparamagnetic Iron Oxide Nanosorbents on Amberlite IR 120 H Support
Mohamed El-Sherif Goher , Mostafa Mahmoud Emara, Mohamed Hassan Abdo, Nesrine Mohamed Refaat Mahmoud, Amaal Mansour Abdel-Satar and Amr Salah El-Shamy

Abstract:
Background: Nanotechnology for water remediation is expected to play a crucial role in water security and consequently the food security of the world. Reactive nanoparticles have a significant amount of surfaces and thus attract much interest to be applied as adsorbents in comparison to macromolecules. This study aimed to use the nanoparticles as an inventive technique for the purification of water from heavy metals. Materials and Methods: Superparamagnetic iron oxide nanosorbents on resin amberlite IR 120 H support (SPION-AMIR) was used in a fixed-bed column system to remove cadmium ions from aqueous solution. Experimental study was carried out under several variables including the initial concentration (100-300 ppm), the amount of SPION-AMIR (0.5-3 g), flow rate (1-3 mL min–1) and the pH (2-7) to indicate the breakthrough point and the removal efficiency of the nanosorbent. Results: By using 1 g of SPION-AMIR, the adsorption efficiency was recorded 307.04 mg g–1 at the optimum conditions of pH 7, 200 ppm of Cd concentration and flow rate 1 mL min–1. The isotherm study showed that the adsorption process fitted to Langmuir and Freundlich isotherms models with slight advantage for the Langmuir approach. Adsorption of Cd by SPION-AMIR follows the pseudo-second-order reaction. Conclusion: The obtained results demonstrated that SPION-AMIR can be used as excellent adsorbent to remove high amounts of cadmium from industrial wastewater.
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How to cite this article:

Mohamed El-Sherif Goher, Mostafa Mahmoud Emara, Mohamed Hassan Abdo, Nesrine Mohamed Refaat Mahmoud, Amaal Mansour Abdel-Satar and Amr Salah El-Shamy, 2017. Cadmium Removal from Aqueous Solution Using Superparamagnetic Iron Oxide Nanosorbents on Amberlite IR 120 H Support. Journal of Applied Sciences, 17: 296-305.

DOI: 10.3923/jas.2017.296.305

URL: https://scialert.net/abstract/?doi=jas.2017.296.305

 
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