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Received September 14, 2007
Accepted October 18, 2007
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SPEEK-Ag+ 촉진 수송막을 이용한 Propylene/Propane의 분리
Separation of Propylene/Propane using SPEEK-Ag+ Facilitated Transport Membrane
한국과학기술연구원 환경공정연구부, 136-791 서울시 성북구 하월곡동 39-1 1고려대학교 화공생명공학과, 136-709 서울시 성북구 안암동 5가 1 2경희대학교 화학과, 130-701 서울시 동대문구 회기동 1
Energy & Environment & Process Technology Division, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Sungbuk-gu, Seoul 136-791, Korea 1Department of Chemical and Biological Engineering, Korea University, 1 5-ga, Anam-dong, Sungbuk-gu, Seoul 136-701, Korea 2Department of Chemistry, Kyung Hee University, 1 Hooegi-dong, Dongdaemun-gu, Seoul 130-701, Korea
dkchoi@kist.re.kr
Korean Chemical Engineering Research, February 2008, 46(1), 164-169(6), NONE Epub 28 February 2008
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Abstract
본 연구에서 매개체로 Ag+ 이온을 사용하고 polycarbonate 지지체 위에 sulfonated poly(ether ether ketone)(SPEEK) 코팅하여 촉진 수송 분리막을 제조하여 propylene/propane의 분리에서 막의 두께와 은의 농도의 영향을 알아보았다. PEEK와 황산을 이용하여 SPEEK를 합성하고 MeOH에 녹여 농도별(5, 10, 15, 20 wt%)로 polycarbonate 지지체 위에 코팅하였고, 은 수용액에 함침 시킨 후 어두운 곳에서 건조하여 사용하였다. 실험 결과, 막의 두께 증가하면 선택도는 증가하였고 투과 성능은 감소하였다. 또한 은의 농도가 증가할수록 선택도는 증가 하였으나, 투과 성능을 크게 변화 시키지는 않았다.
In this study, the facilitated transport membranes, poly (ether ether)ketone (SPEEK)-Ag salts layers on top of polycarbonate supports membrane, were prepared and tested for the separation of propylene/propane. SPEEK was synthesised using PEEK and H2SO4. Experiments were porformed at room temperature and feed pressures up to 30 psig. The SPEEK-Ag salt membranes showed good selectivity for propane over propylene. With increasing the concentration of SPEEK in MeOH, 5~20 wt%, the thickness of SPEEK membrane on the polycarbonate increased. The selectivity and permeance of SPEKK-Ag membrane for propylene/propane were changed by membrane thickness and concentration of Ag salts.
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Choi HW, Kim DB, Choi DK, Ahn BS, Kim HG, Kim HS, Lee CH, Sung JY, J. Membr. Sci., 279(1-2), 403 (2006)
Nymeijer K, Visser T, Assen R, Wessling M, J. Membr. Sci., 232(1-2), 107 (2004)
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Frerraz HC, Duarte LT, Di Luccio M, Alves TLM, Habert AC, Borges CP, Bra. J. Chem. Eng., 24(1), 101 (2007)
Kim SH, Kim DB, Choi DK, Lee H, Kim HS, Won J, J. Membr. Sci., 233(1-2), 113 (2004)
Pinnau I, Toy LG, J. Membr. Sci., 184(1), 39 (2001)
Winstein S, Lucas HJ, J. Am. Chem. Soc., 60, 836 (1938)
Safarik DJ, Eldridge RB, Ind. Eng. Chem. Res., 37(7), 2571 (1998)
Bochmann M, Organometallic 2: Complexes with Transition Metal Carbon π - bonds, Oxford Univ. Press Inc., New York (1994)
Robertson GP, Mikhailenko SD, Wang KP, Xing PX, Guiver MD, Kaliaguine S, J. Membr. Sci., 219(1-2), 113 (2003)
Kaliaguine S, Milhailenko SD, Wang KP, Xing P, Robertson G, Guiver M, J. Membr. Sci., 82(1-2), 213 (2003)
Zaidi SMJ, Mikhailenko SD, Robertson GP, Guiver MD, Kaliaguine S, J. Membr. Sci., 173(1), 14 (2000)
Kim JH, Park SM, Won J, Kang YS, J. Membr. Sci., 236(1), 209 (2004)
