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Health Scope
Official Publication of Health Promotion Research Center
Removal of Styrene From Air by Natural and Modified Zeolite
Author(s):
1Environmental and Occupational Health Engineering Department, Faculty of Medical Sciences, Tarbiat Modares University, [email protected], IR Iran
*Corresponding Author: Environmental and Occupational Health Engineering Department, Faculty of Medical Sciences, Tarbiat Modares University, [email protected], IR Iran. Tel: +98-2182883825. Fax: +98-2182883825. Email: [email protected]
Published online:May 15, 2012
Article type:Review Article
Received:Feb 25, 2012
Accepted:Mar 11, 2012
How to Cite:Asilian H, Khavanin A, Afzali M, Dehestani S, Soleimanion A. Removal of Styrene From Air by Natural and Modified Zeolite. Health Scope. 2012;1(1):. doi: https://doi.org/10.5812/JHS.4592
Abstract
Context: Changing the surface characteristics of raw materials has created new prospects for catalysts and adsorption technology. Natural and modified zeolite with trimethylchlorosilane (TMSCI) has been used to adsorb styrene.
Evidence Acquisition: Dynamic adsorption tests were performed with a number of standard characterization techniques and zeolite particles were examined in three sizes: less than 1 mm, 1–2 mm, and 2–4 mm. The gas concentration was 20 ppm, 40 ppm, and 60 ppm. Three flow rates were tested in this study: 0.5 l/min, 0.75 l/min, and 1 l/min. The sorption of Styrene depended on the particle diameter size, gas flow rate, and inlet gas concentration.
Results: The optimum size for adsorption was less than 1 mm, the optimum flow rate was 0.5 l/min, and the optimum gas concentration was 20 ppm. The adsorption capacity decreased with increasing size, flow rate, and concentration of the pollutant.
Conclusions: The adsorption by the surface-modified zeolite increased by as much as 100% compared with natural zeolite. Therefore, the surface-modified natural zeolite may be utilized for many adsorption applications. This study shows the importance of chemical surface modification and confirms similar findings of other studies.
Implication for health policy/practice/research/medical education:
This subject can be useful for styrene control in workplaces as a contaminant. It can be used for researchers who are interested in Air Pollution Control using zeolite as a adsorbent.
Please cite this paper as:
Asilian H, Khavanin A, Afzali M, Dehestani S, A Sdeymanion. Removal of Styrene From Air by Natural and Modified Zeolite. Health Scope. 2012;1(1): 7-11. DOI: 10.5812/jhs.4592
Copyright © 2012 Kowsar Corp. All rights reserved.
Copyright
© 2012, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC BY 4.0) (https://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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