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Received January 12, 2010
Accepted February 23, 2010
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The effect of ethane on the performance of commercial polyphenylene oxide and Cardo-type polyimide hollow fiber membranes in CO2/CH4 separation applications
1Chemical Engineering Department, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, I.R. Iran 2Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, I.R. Iran 3Industrial Membrane Research Institute, Department of Chemical & Biological Engineering, University of Ottawa, Ottawa, Ont., K1N 6N5, Canada
msoltanieh@sharif.edu
Korean Journal of Chemical Engineering, November 2010, 27(6), 1876-1881(6), 10.1007/s11814-010-0274-8
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Abstract
Impurities such as hydrogen sulfide, water vapor and heavy hydrocarbons in natural gas have considerable effects on the membrane performance. Small amounts of condensable and polymer soluble components in the feed gas cause swelling or plasticization of glassy membranes, leading to a reduction in membrane selectivity. In the present research the influence of ethane was investigated on the permeance and selectivity of two commercially available hollow fiber membranes, namely Cardo-type polyimide and PPO hollow fibers for CO2/CH4 separations. It was concluded that the gas mixture permeation rate was increased in the presence of C2H6. However, the CO2/CH4 separation factors remained almost the same in the presence and absence of the C2H6.
References
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Vu D, Koros WJ, Miller SJ, J. Membr. Sci., 221(1-2), 233 (2003)
Visser T, Wessling A, J. Membr. Sci., 312(1-2), 84 (2008)
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Arruebo M, Coronas J, Menendez M, Santamaria J, Sep. Purif. Technol., 25(1-3), 275 (2001)
Chenar AP, Soltanieh M, Matsuura T, Tabe-Mohammadi A, Feng C, Sep. Purif. Technol., 51(3), 359 (2006)
Mortazavi S, Development of polyphenylene oxide and modified polyphenylene oxide membranes for dehydration of methane, PhD Thesis, University of Ottawa (2004)
Story BJ, Koros WJ, J. Membr. Sci., 67, 191 (1992)
Aguilar-Vega M, Paul DR, J. Polym. Sci. B: Polym. Phys., 31, 1577 (1993)
Baker RW, Membrane Technology and Applications, John Wiley & Sons Ltd., New York, NY (2004)
Chowdhury G, Kruczek B, Matsuura T, Polyphenylene oxide and modified polyphenylene oxide membranes: Gas, vapour and liquid separation, Kluwer Academic Publishers (2001)
Plate NA, Yampolskii Y, High free volume polymers, in: Paul DR, Yampolskii Y (Eds.), Polymer Gas Separation Membranes, CRC Press, London (1994)
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Vu DQ, Koros WJ, Miller SJ, Ind. Eng. Chem. Res., 42(5), 1064 (2003)
Koros WJ, Chern RT, Stannett V, Hopfenberg HB, J. Appl. Polym. Sci., 19, 1513 (1981)
Ratcliffe CT, Aiaz A, Nopasit C, Munoz G, Application of membranes in CO2 separation from natural gas: Pilot plant tests on offshore platforms, In Proceedings of the Laurance Reid Gas Cond. Conf. Norman, Oklahoma, 117 (1999)
White LS, Blinka TA, Kloczewski HA, Wang IF, J. Membr. Sci., 103(1-2), 73 (1995)
Djoekita G, Characterization and analysis of asymmetric hollow fiber membranes for natural gas purification in the presence of hydrocarbons, M. Sc. Thesis, University of Texas at Austin, Austin, TX (2000)
Tanihara N, Shimazaki H, Hirayama Y, Nakanishi S, Yoshinaga T, Kusuki Y, J. Membr. Sci., 160(2), 179 (1999)
Lokhandwala KA, Baker RW, Sour gas treatment process, US Patent 5,407,467 (1995)
Lokhandwala KA, Baker RW, Sour gas treatment process including membrane and non-membrane treatment steps, US Patent 5,407,466 (1995)
Vu DQ, Koros WJ, Miller SJ, Ind. Eng. Chem. Res., 42(5), 1064 (2003)
Vu DQ, Koros WJ, Miller SJ, Ind. Eng. Chem. Res., 41(3), 367 (2002)
Vu D, Koros WJ, Miller SJ, J. Membr. Sci., 221(1-2), 233 (2003)
Visser T, Wessling A, J. Membr. Sci., 312(1-2), 84 (2008)
Visser T, Masetto N, Wessling M, J. Membr. Sci., 306(1-2), 16 (2007)
Visser T, Wessling M, Macromolecules, 40(14), 4992 (2007)
Schultz J, Peinemann KV, J. Membr. Sci., 110(1), 37 (1996)
Arruebo M, Coronas J, Menendez M, Santamaria J, Sep. Purif. Technol., 25(1-3), 275 (2001)
Chenar AP, Soltanieh M, Matsuura T, Tabe-Mohammadi A, Feng C, Sep. Purif. Technol., 51(3), 359 (2006)
Mortazavi S, Development of polyphenylene oxide and modified polyphenylene oxide membranes for dehydration of methane, PhD Thesis, University of Ottawa (2004)
Story BJ, Koros WJ, J. Membr. Sci., 67, 191 (1992)
Aguilar-Vega M, Paul DR, J. Polym. Sci. B: Polym. Phys., 31, 1577 (1993)
Baker RW, Membrane Technology and Applications, John Wiley & Sons Ltd., New York, NY (2004)
Chowdhury G, Kruczek B, Matsuura T, Polyphenylene oxide and modified polyphenylene oxide membranes: Gas, vapour and liquid separation, Kluwer Academic Publishers (2001)
Plate NA, Yampolskii Y, High free volume polymers, in: Paul DR, Yampolskii Y (Eds.), Polymer Gas Separation Membranes, CRC Press, London (1994)
Dietz WA, Response factors for gas chromatographic analyses, J. G. C., Feb., 68 (1967)
