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Received March 2, 2004
Accepted April 29, 2004
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Development of Adsorption Buffer and Pressure Swing Adsorption (PSA) Unit for Gasoline Vapor Recovery
Korea Institute of Energy Research, 71-2, Jang Dong, Yu Song Ku, Daejeon 305-543, Korea 1Faculty of Environmental Engineering, University of Seoul, 90, Jeonnong-Dong, Dongdaemun-Gu, Seoul 130-743, Korea 2Dept. of Chemical Engineering, Dongyang University, Youngjou 750-711, Korea
catalica@uos.ac.kr
Korean Journal of Chemical Engineering, May 2004, 21(3), 676-679(4), 10.1007/BF02705504
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Abstract
The effect of a double layered adsorber on the recovery of gasoline from gas emitted from a gasoline storage tank was investigated. The adsorber consists of two different adsorbents: silica gel and activated carbon. A pilot system consisting of an adsorptive buffer for the collection of contaminated air sporadically emitted and a PSA system was installed and operated. Gas from a gasoline tank was fed to the adsorption buffer for a period of time, and subsequently the enriched hydrocarbon stream obtained during the regeneration of the adsorptive buffer was treated by the PSA system. Regeneration of the adsorbent was done by flowing clean air under vacuum._x000D_
Approximately 21-48 liters of gasoline per hour was recovered with the pilot-scale PSA unit filled with 435 kg of adsorbent in total. The gas emitted from the system contains light hydrocarbon less than 100 ppmv.
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References
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Yoo YJ, Cho CH, Kim HS, Ahn YS, Jang GE, J. Korean Ind. Eng. Chem., 14(6), 852 (2003)
