alexa Mass Transfer Study of Heavy Metal Removal by Ion Exchange in Batch Conical Air Spouting Bed
ISSN: 2157-7048

Journal of Chemical Engineering & Process Technology
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Research Article

Mass Transfer Study of Heavy Metal Removal by Ion Exchange in Batch Conical Air Spouting Bed

Yousef NS1, Darwish S2, Zewail TM2 and El-Tawail YA2
1Petrochemical Department, Pharos University, Egypt
2Chemical Engineering Department, Faculty of Engineering, Alexandria University, Egypt
Corresponding Author : Yousef NS
Petrochemical Department, Pharos University, Egypt
Tel: +2033877200, +2033877400, +2033877212, +2033877214
E-mail: [email protected]
Received June 12, 2013; Accepted July 31, 2013; Published August 02, 2013
Citation: Yousef NS, Darwish S, Zewail TM, El-Tawail YA (2013) Mass Transfer Study of Heavy Metal Removal by Ion Exchange in Batch Conical Air Spouting Bed. J Chem Eng Process Technol 4:168. doi: 10.4172/2157-7048.1000168
Copyright: © 2013 Yousef NS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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The performance of a batch conical air spouting vessel for conducting ion exchange reactions involving heavy metal removal has been investigated. The performance was measured in terms of volumetric mass transfer coefficient (K). The effect of various parameters such as type of heavy metal ion (Ni2+, Pb2+), superficial air velocity and initial heavy metal concentration has been investigated. It has been found that volumetric mass transfer coefficient increases as air superficial velocity increases. Initial Ni+2 concentrations have two opposing effects on the volumetric mass transfer coefficient, whereas initial Pb+2 concentrations have negligible effect. Dimensional analysis of the present mass transfer data led to the following correlations:
For Ni+2 JD=49 (Re*Fr)-0.215
For Pb+2 JD=117.71 (Re*Fr)-0.24
The importance of these mass transfer correlations in the design and operation of gas spouting vessels used for conducting diffusion-controlled reactions was highlighted.

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