European Journal of Chemistry 2013, 4(4), 425-433. doi:10.5155/eurjchem.4.4.425-433.776

Lead uptake by new silica-carbon nanoparticles

Hassan Hasan Hammud (1,*) , Mayssam Mostafa Chahine (2) , Bassem El-Hamaoui (3) , Younes Hanifehpour (4)

(1) Department of Chemistry, Faculty of Sciences, Beirut Arab University, Debbieh, 11-5020, Lebanon
(2) Department of Chemistry, Faculty of Sciences, Beirut Arab University, Debbieh, 11-5020, Lebanon
(3) Department of Chemistry, Faculty of Sciences, Beirut Arab University, Debbieh, 11-5020, Lebanon
(4) Nanoresearch Center, School of Mechanical Engineering, Yeungnam University, Gyongsan, 712-749, South Korea
(*) Corresponding Author

Received: 19 Mar 2013, Accepted: 03 Jul 2013, Published: 31 Dec 2013


Silica-carbon nanoparticles (SCNP) were prepared from sonication of silica and anthracene. The size of homogenous nanoparticle is around 5-20 nm confirmed by Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM). SEM analysis indicated surface porosity. SCNP were used to remove lead ions (Pb(II)) from aqueous solutions. Adsorption isotherm of Pb(II) on SCNP was well fitted in terms of the Freundlich and Langmuir models. The maximum adsorption capacity of SCNP for Pb(II) was found to be 385 mg/g (1.86 mmol/g) in batch experiment. Thermodynamic studies indicated that sorption process of lead onto SCNP was spontaneous and exothermic. A pseudo-second order model has been employed in order to describe the kinetic adsorption processes, and the thermodynamic activation parameters were calculated. In a column studies, qy the Yan adsorption capacity of SCNP for Pb(II) was found to be 130.66 mg/g (0.63 mmol/g).



Lead; Kinetics; Adsorption; Thermodynamics; Silica-carbon nanoparticle; Scanning electron microscope

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DOI: 10.5155/eurjchem.4.4.425-433.776

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How to cite

Hammud, H.; Chahine, M.; El-Hamaoui, B.; Hanifehpour, Y. Eur. J. Chem. 2013, 4(4), 425-433. doi:10.5155/eurjchem.4.4.425-433.776
Hammud, H.; Chahine, M.; El-Hamaoui, B.; Hanifehpour, Y. Lead uptake by new silica-carbon nanoparticles. Eur. J. Chem. 2013, 4(4), 425-433. doi:10.5155/eurjchem.4.4.425-433.776
Hammud, H., Chahine, M., El-Hamaoui, B., & Hanifehpour, Y. (2013). Lead uptake by new silica-carbon nanoparticles. European Journal of Chemistry, 4(4), 425-433. doi:10.5155/eurjchem.4.4.425-433.776
Hammud, Hassan, Mayssam Mostafa Chahine, Bassem El-Hamaoui, & Younes Hanifehpour. "Lead uptake by new silica-carbon nanoparticles." European Journal of Chemistry [Online], 4.4 (2013): 425-433. Web. 23 May. 2019
Hammud, Hassan, Chahine, Mayssam, El-Hamaoui, Bassem, AND Hanifehpour, Younes. "Lead uptake by new silica-carbon nanoparticles" European Journal of Chemistry [Online], Volume 4 Number 4 (31 December 2013)

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