Production of dehydrated fuel ethanol by pressure swing adsorption process in the pilot plant

Jun-Seong Jeong; Byung-Uk Jang; Young-Ran Kim; Bong-Woo Chung; Gi-Wook Choi

Korean Journal of Chemical Engineering, Vol.26, No.5, 1308-1312, September, 2009

DOI10.1007/s11814-009-0226-3 Export Citation

Production of dehydrated fuel ethanol by pressure swing adsorption process in the pilot plant

Jun-Seong Jeong, Byung-Uk Jang, Young-Ran Kim¹, Bong-Woo Chung^{1, †}, and Gi-Wook Choi

Changhae Institute of Cassava & Ethanol Research, Changhae Ethanol CO., Ltd., 829,3-Ga Palbok-dong, Dukjin-gu Jeonju 561-203, Korea
¹School of Chemical Engineering, Chonbuk National University, 664-14,Dukjin-dong, Dukjin-gu, Jeonju 561-756, Korea

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Fermented ethanol is gaining wide popularity as a car fuel additive. The pressure swing adsorption (PSA) process is attractive for the dehydration of bioethanol on the industrial scale, since its energy consumption is low and it is capable of producing a very pure product. 3 Å zeolite possesses micro-pores which, due to their small size, adsorb water molecules but not ethanol molecules. In this work, up to 2 kL/day of dehydrated ethanol (99.5% by weight) was successfully produced with 3 Å zeolite by the pressure swing adsorption process. The cycles of the PSA process were operated under the following variables: feed flow rate (27-62 Nm3/hr of 93.2% by weight), purge/feed ratio (30-24%), adsorption temperature (130-140 ℃) and adsorption pressure (1.2 atm).

Keywords:Pressure Swing Adsorption;Fuel Ethanol;3 A Zeolite

[References]

Guan JY, Hu XJ, Sep. Purif. Technol., 31(1), 31 (2003)
Champagne, Pascale, Environmental Progress, 27, 51 (2000)
Richard L, Bechtold PE, Alternative fuels guidebook, Society of Automotive Engineers, U.S.A (1997)
German Federal Ministry of Food, Agriculture and Consumer Protection, Biofuels for transport, Earthscan Publications, London (2007)
Simo M, Brown CJ, Hlavacek V, Comput. & Chem. Eng., 32, 1635 (2008)
Szostak R, Molecular sieve, principles of synthesis and identification, van Nostrand, New York (1989)
Al-Asheh S, Banat F, Al-Lagtah N, Chem. Eng. Res. Des., 82, 822 (2004)
Carmo MJ, Gubulin JC, Adsorption, 8, 235 (2002)
Sowerby B, Crittenden BD, Trans. I. Chem. E., 69, 3 (1991)
Carton A, et al., J. Chem. Tech. Biotechnol., 39, 125 (1987)
Guan JY, Zeng R, Long CX, Hu XJ, Chem. Eng. Sci., 60(16), 4635 (2005)
Leland MV, Biofuels, Bioprod. Bioref., 2, 553 (2008)
Yang J, Park MW, Chang JW, Ko SM, Lee CH, Korean J. Chem. Eng., 15(2), 211 (1998)
Na BK, Koo KK, Eum HM, Lee H, Song HK, Korean J. Chem. Eng., 18(2), 220 (2001)
Ladisch MR, Dyck K, Science, 205, 898 (1979)
Fleming HL, Sep. Sci. Technol., 25, 1239 (1990)
Bui S, Verykios X, Mutharasan R, Ind. Eng. Chem. Process Des. Dev., 24, 1209 (1985)
Carton A, Benito GG, Rey JA, de la Fuente M, Bioresour. Technol., 66(1), 75 (1998)
Lalik E, Mirek R, Rakoczy J, Groszek A, Catalysis Today, 2, 242 (2006)
Cote P, Roy C, Bernier N, Schwzrtz M, Dodkin T, Bradt C, Presentation at International Fuel Ethanol Workshop (2007)

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[1] Guan JY, Hu XJ, Sep. Purif. Technol., 31(1), 31 (2003)

[2] Champagne, Pascale, Environmental Progress, 27, 51 (2000)

[3] Richard L, Bechtold PE, Alternative fuels guidebook, Society of Automotive Engineers, U.S.A (1997)

[4] German Federal Ministry of Food, Agriculture and Consumer Protection, Biofuels for transport, Earthscan Publications, London (2007)

[5] Simo M, Brown CJ, Hlavacek V, Comput. & Chem. Eng., 32, 1635 (2008)

[6] Szostak R, Molecular sieve, principles of synthesis and identification, van Nostrand, New York (1989)

[7] Al-Asheh S, Banat F, Al-Lagtah N, Chem. Eng. Res. Des., 82, 822 (2004)

[8] Carmo MJ, Gubulin JC, Adsorption, 8, 235 (2002)

[9] Sowerby B, Crittenden BD, Trans. I. Chem. E., 69, 3 (1991)

[10] Carton A, et al., J. Chem. Tech. Biotechnol., 39, 125 (1987)

[11] Guan JY, Zeng R, Long CX, Hu XJ, Chem. Eng. Sci., 60(16), 4635 (2005)

[12] Leland MV, Biofuels, Bioprod. Bioref., 2, 553 (2008)

[13] Yang J, Park MW, Chang JW, Ko SM, Lee CH, Korean J. Chem. Eng., 15(2), 211 (1998)

[14] Na BK, Koo KK, Eum HM, Lee H, Song HK, Korean J. Chem. Eng., 18(2), 220 (2001)

[15] Ladisch MR, Dyck K, Science, 205, 898 (1979)

[16] Fleming HL, Sep. Sci. Technol., 25, 1239 (1990)

[17] Bui S, Verykios X, Mutharasan R, Ind. Eng. Chem. Process Des. Dev., 24, 1209 (1985)

[18] Carton A, Benito GG, Rey JA, de la Fuente M, Bioresour. Technol., 66(1), 75 (1998)

[19] Lalik E, Mirek R, Rakoczy J, Groszek A, Catalysis Today, 2, 242 (2006)

[20] Cote P, Roy C, Bernier N, Schwzrtz M, Dodkin T, Bradt C, Presentation at International Fuel Ethanol Workshop (2007)