Volume 6, Issue 1 (4-2016)                   J Health Saf Work 2016, 6(1): 23-30 | Back to browse issues page

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Jafarizaveh M, Shirkhanloo H, Golbabaei F, Tabrizi A, Azam K, Ghasemkhani M. Nobel method for xylene removal from air on nano activated carbon adsorbent compared to NIOSH approved carbon adsorbent . J Health Saf Work 2016; 6 (1) :23-30
URL: http://jhsw.tums.ac.ir/article-1-5374-en.html
Nobel method for xylene removal from air on nano activated carbon adsorbent compared to NIOSH approved carbon adsorbent
M. Jafarizaveh1 , H. Shirkhanloo2 , F. Golbabaei * 3, A. Tabrizi4 , K. Azam5 , M. Ghasemkhani6
1- MS.c Student, Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
2- Assistant Professor, Iranian Petroleum Industry Health Research Institute (IPIHRI), Tehran, Iran
3- Professor of Occupational Health Engineering, Department of Occupational Health, Faculty of Health, University of Medical Sciences, Tehran, Iran , fgolbabaei@sina.tums.ac.ir
4- MS.c Student, Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences
5- Assistant Professor of Biostatistics, Tehran University of Medical Sciences, Tehran, Iran
6- Assistant Professor of Occupational Health Engineering, Department of Occupational Health, Faculty of Health, University of Medical Sciences, Tehran, Iran
Abstract:   (8519 Views)

Introduction: Volatile organic compounds such as xylene are one of the main air pollutants. Adsorption method are of the most common methods used in the control of volatile organic compounds. The aim of this study was to investigate the xylene removal from air through nano activated carbon adsorbent in comparison with NIOSH approved carbon adsorbent.
 

Material and Method: Xylene adsorption tests on nano activated carbon and activated carbon in static mode (batch) were done in glass vials with volume of 10 ml. Gas chromatography with FID detector was used for analysis. Various variables including contact time, amount of adsorbent, concentration of xylene, and temperature were studied.
 

Results: Absorption capacity of xylene at ambient temperature (25° C) in static mode and duration of 10 minutes for activated carbon and nano activated carbon was obtained 349.8 and 435 mg/g, respectively. Results of Scanning Electron Microscope (SEM) images of nano activated carbon showed particle size pf less than 100 nm. Furthermore, Transmission Electron Microscope (TEM) pictures showed particle size of 30 nm. XRD images also showed cube structure of nano activated carbon adsorbent.
 

Conclusion: The results showed that adsorption capacity at constant humidity increased by raising in temperature and contact time. What is more, nano activated carbon absorbent showed greater absorption capacity for xylene removal compared to activated carbon absorbent

Keywords: Xylene, Adsorption, Nano Actived Carbon, Actived Carbon
Full-Text [PDF 202 kb]   (4423 Downloads)    
Type of Study: Research |
Received: 2016/04/2 | Accepted: 2016/04/2 | Published: 2016/04/2
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