International Science Index


Solid-Liquid-Polymer Mixed Matrix Membrane Using Liquid Additive Adsorbed on Activated Carbon Dispersed in Polymeric Membrane for CO2/CH4 Separation

Abstract:Gas separation by selective transport through polymeric membranes is one of the rapid growing branches of membrane technology. However, the tradeoff between the permeability and selectivity is one of the critical challenges encountered by pure polymer membranes, which in turn limits their large-scale application. To enhance gas separation performances, mixed matrix membranes (MMMs) have been developed. In this study, MMMs were prepared by a solution-coating method and tested for CO2/CH4 separation through permeability and selectivity using a membrane testing unit at room temperature and a pressure of 100 psig. The fabricated MMMs were composed of silicone rubber dispersed with the activated carbon individually absorbed with polyethylene glycol (PEG) as a liquid additive. PEG emulsified silicone rubber MMMs showed superior gas separation on cellulose acetate membrane with both high permeability and selectivity compared with silicone rubber membrane and alone support membrane. However, the MMMs performed limited stability resulting from the undesirable PEG leakage. To stabilize the MMMs, PEG was then incorporated into activated carbon by adsorption. It was found that the incorporation of solid and liquid was effective to improve the separation performance of MMMs.
[1] W. L. McCabe, J. C. Smith, P. Harriott (1993). “Membrane separation process”. Unit Operation of Chemical Engineering. Singapore: McGraw-Hill.
[2] S. L. Matson, J. Lopez, J. A Quinn (1983). “Membrane Separation”. Chemical Engineering Science, 38, 503.
[3] A. Basu, J. Akhtar, M. H. Rahman, M. R. Islam (2004). “A review of separartion of gases using membrane system”. Petroleum Science Technology, 22, 1343.
[4] Y. Zhang, K. J. Balkus, I. H. Musselman, Ferraris, J. P. Ferraris (2008). “Mixed-matrix membranes composed of matrimid and mesoporous ZSM-5 nanoparticles”. Journal of Membrane Science, 325, 28-39.
[5] S. Kulprathipanja (2010). “Zeolites in Industrial Separation and Catalysis”. Weinheim: WILEY-VCH Verlag Gmbtt & CO.
[6] L. M Robeson. (1999). “Polymer membranes for gas separation, current opinion in solid state & materials”. Science, 4, 549-552.
[7] Y. Zhang, J. Sunarso, S. Liu, R. Wang (2013). “Current status and development of membranes for CO2/CH4 separation; A review”. International Journal of Greenhouse Gas Control, 12, 84-107.
[8] W. J. Koros, G. K. Fleming, S. M. Jordan, Kim, T. H., Hoehn, H. H. (1988). “Polymeric membrane materials for solution-diffusion based permeation separations”. Progress in Polymer Science, 12, 84-107.
[9] W. J. Koros, M. R. Coleman, D. R. B. Walker (1992). “Controlled permeability polymer membranes”. Annual Review of Material Science, 22, 47-89.
[10] L. M. Robeson (2008). “The upper bound revisited”. Journal of Membrane Science, 320, 390-400.
[11] S. Kulprathipanja (2002). “Reactive Separation Process”. New York: Taylor & Francis.
[12] S. Kulprathipanja, S. S. Kulkani (1986). Separation of polar gases from non-polar gases. U.S. Patent 4 608 060.
[13] P. Vijitjunya (2001). “Dispersed liquid-polymer mixed matrix membrane for olefin/paraffin separation”. M. S. Thesis, The Petroleum and Petrochemical College, Chulalongkorn University.
[14] N. N. Li, A. G. Fane, W. S. W. Ho, T. Matsuura (2008). “Advanced Membrane Technology and Applications”. New Jersey: Wiley & Sons, lnc.
[15] B. D. Freeman (1999). “Basis of permeability/selectivity tradeoff relations in polymeric gas separation membranes”. Macromolecules, 32, 375.
[16] V. Sirivalsatit (1999). “The mechanism of the mixed matrix membrane separation (polyethylene glycol/silicone rubber) for polar gases”. M. S. Thesis, The Petroleum and Petrochemical College, Chulalongkorn University.
[17] A. Soffer, J. Gilron (1996). U.S. Patent 5 914 434.
[18] O. Bakhtiari, S. Mosleh, T. Khosravi, T. Mohammadi (2011). “Preparation, charaterization and gas permeation of polyimide mixed matrix membranes”. Membrane Science & Technology, 1:101.