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    • ISSN: 2010-0221
    • Frequency: Bimonthly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Prof. Dr. Shen-Ming Chen
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Editor-in-chief
Prof. Dr. Shen-Ming Chen
National Taipei University of Technology, Taiwan
 

IJCEA 2011 Vol.2(5): 359-365 ISSN: 2010-0221
DOI: 10.7763/IJCEA.2011.V2.134

Removal of Toluene from Nitrogen Gas by Adsorption ina Fixed Bed Column: Experimental and Theoretical Breakthrough Curves

Kaushal Naresh Gupta, Nandagiri Jagannatha Rao, and Govind Kumar Agarwal

Abstract—Experiments were carried out to study adsorption of toluene a volatile organic compound (VOC) on the granular activated carbon. The range of experimental variables studied is as follows: inlet gas concentration (7000 – 11500 ppm), gas flow rate (50 – 70 ml/min) and height of the adsorbent bed (0.015 – 0.025 m). The breakthrough curves were then drawn between ratios of outlet gas concentration to inlet gas concentration versus time for different operating conditions. A mathematical model was developed to predict the VOC breakthrough characteristics on granular activated carbon. The model incorporated the effects of the gas-particle film mass transfer resistance, adsorbent pore diffusion and instantaneous local adsorption equilibrium at the pore surface. The experimental data and the corresponding model simulated results were compared and found to be in good agreement.

Index Terms—Adsorption, Breakthrough Curve, Granular Activated Carbon, Toluene.

Kaushal Naresh Gupta is with the Departmentof Chemical Engineering, Jaypee University of Engineering & Technology, Guna– 473226, India. (Tel.: +91-7544-267310, fax: +91-7544-267011, email:kaushalnaresh74@gmail.com.)
Nandagiri Jagannatha Rao is with Jaypee University of Engineering & Technology, Guna-473226, India. (e-mail:nj.rao@juet.ac.in)
Govind Kumar Agarwal is with the Department of Chemical Engineering, Jaypee University of Engineering & Technology, Guna–473226, India. (e-mail: gk.agarwal@juet.ac.in)

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Cite: Kaushal Naresh Gupta, Nandagiri Jagannatha Rao, and Govind Kumar Agarwal, "Removal of Toluene from Nitrogen Gas by Adsorption ina Fixed Bed Column: Experimental and Theoretical Breakthrough Curves," International Journal of Chemical Engineering and Applications vol. 2, no. 5, pp. 359-365, 2011.

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