Removal of Styrene From Air by Natural and Modified Zeolite

Hasan Asilian; Ali Khavanin; Mahnaz Afzali; Saeed Dehestani; Ardalan Soleimanion

doi:10.5812/JHS.4592

Health Scope

Official Publication of Health Promotion Research Center

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https://doi.org/10.5812/JHS.4592

Removal of Styrene From Air by Natural and Modified Zeolite

Author(s):

Hasan Asilian

^,*,

Ali Khavanin

¹,

Mahnaz Afzali

¹,

Saeed Dehestani

¹,

Ardalan Soleimanion

¹

1Environmental and Occupational Health Engineering Department, Faculty of Medical Sciences, Tarbiat Modares University, [email protected], IR Iran

Health Scope:Vol. 1, issue 1; 7-11

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

Keywords

Styrene

Zeolite

Trimethylchlorosilane

Adsorption

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Author(s):

Hasan Asilian:[PubMed][Scholar]
Ali Khavanin:[PubMed][Scholar]
Mahnaz Afzali:[PubMed][Scholar]
Saeed Dehestani:[PubMed][Scholar]
Ardalan Soleimanion:[PubMed][Scholar]

Official Publication of Health Promotion Research Center

Outlines

Removal of Styrene From Air by Natural and Modified Zeolite

Abstract

Full Text

Crossmark

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Last Update: 1 week ago

Last Update: 1 week ago

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Last Update: 1 day ago