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Received July 11, 2012
Accepted August 31, 2012
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Design and optimization of heat integrated dividing wall columns for improved debutanizing and deisobutanizing fractionation of NGL
School of Chemical Engineering, Yeungnam University, Gyeongsan 712-749, Korea
Korean Journal of Chemical Engineering, February 2013, 30(2), 286-294(9), 10.1007/s11814-012-0149-2
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Abstract
Dividing wall columns, capable of reducing the energy required for the separation of ternary mixtures, were explored for the energy-efficient integration of debutanization and deisobutanization. A new practical approach to the design and optimization of dividing wall columns was used to optimize dividing wall columns. A conventional dividing wall column and a multi-effect prefractionator arrangement were shown to reduce total annual cost considerably_x000D_
compared with conventional distillation sequence. Various configurations incorporating a heat pump in a bottom diving wall columns were also proposed to enhance energy efficiency further. The result showed that operating cost could be reduced most significantly through novel combinations of internal and external heat integration: bottom dividing wall columns employing either a top vapor recompression heat pump or a partial bottom flashing heat pump.
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References
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Asprion N, Kaibel G, Chem. Eng. Process., 49(2), 139 (2010)
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Duc Long NV, Lee M, Korean J. Chem. Eng., 29(5), 567 (2012)
Nguyen VDL, Lee M, J. Chem. Eng. Jpn., 45(4), 285 (2012)
Minh LQ, Long NVD, Lee M, Korean J. Chem. Eng., 29(11), 1500 (2012)
Lee S, Nguyen VDL, Lee M, Ind. Eng. Chem. Res., 51(30), 10021 (2012)
Long NVD, Lee MY, Asia-Pac. J. Chem. Eng., 7, S71 (2012)
Kim YH, Nakaiwa M, Hwang KS, Korean J. Chem. Eng., 19(3), 383 (2002)
Kim YH, Hwang KS, Nakaiwa M, Korean J. Chem. Eng., 21(6), 1098 (2004)
Poth N, Brusis D, Stichlmair J, Chem. Ing. Technol., 76, 1811 (2004)
Amminudin KA, Smith R, Thong DYC, Towler GP, Chem. Eng. Res. Des., (Part A), 79(7), 701 (2001)
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Asprion N, Rumpf B, Gritsch A, Appl. Thermal Eng., 31, 2067 (2011)
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Moser F, Schnitzer H, Heat Pumps in Industry, Elsevier, Amsterdam (1985)
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Mizsey P, Fonyo Z, Energy integrated distillation system design enhanced by heat pumping, Distillation and Absorption (1992)
Stichlmair J, Distillation and Rectification, in Ullmann’s Encyclopedia of Industrial Chemistry - Fifth Ed., B3, 4.1 (1988)
Stichlmair JG, Fair JR, Distillation-principles and practices, Wiley-VCH, New York (1998)
Manley DB, Multiple effect and distributive separation of isobutane and normal butane, US Patent, 8,806,339 (1998)
Diez E, Langston P, Ovejero G, Romero M, Appl. Therm., 29, 1216 (2009)
Amminudin KA, Smith R, Trans. IChemE., 79, 716 (2001)
Long NVD, Lee MY, Com. Chem. Eng., 37, 119 (2012)
Box GEP, Behnken DW, J. Technometrics., 2, 455 (1960)
Long NVD, Lee MY, Asia Pac. J. Chem. Eng., 6, 338 (2011)
Lee SH, Shamsuzzoha M, Han M, Kim YH, Lee MY, Korean J. Chem. Eng., 28, 48 (2011)
Premkumar R, Rangaiah GP, Chem. Eng. Res. Des., 87(1A), 47 (2009)
Aspen Technology, Aspen HYSYS Thermodynamics COM Interface, Version Number V7.1 (2009)
Turton R, Bailie RC, Whiting WB, Shaeiwitz JA, Analysis, synthesis and design of chemical processes, Prentice Hall, Upper Saddle River, NJ, 187 (2003)
Kaibel G, Chem. Eng. Technol., 10, 92 (1987)
Fidkowski Z, Krolikowski L, AIChE J., 33, 643 (1987)
Gadalla MA, Chem. Eng. Res. Des., 87(12A), 1658 (2009)
Engelien HK, Skogestad S, Chem. Eng. Process., 44(8), 819 (2005)
Cheng HC, Luyben W, Ind. Eng. Chem. Process Des. Dev., 24, 707 (1985)
Emtir M, Rev E, Fonyo Z, Appl. Therm. Eng., 21, 1299 (2001)
Smith R, Chemical process design, McGraw Hill, New York, 346 (1995)
Sinnott SK, Chemical engineering design (4th Ed.), Coulson & Richardson’s Chemical Engineering Series Vol. 6, Elsevier Butterworth Heinemann, Oxford (2005)
Biegler LT, Grossmann IE, Westerberg AW, Systematic methods of chemical process design, Prentice Hall Inc., New Jersey, 110 (1997)
Peters MS, Timmerhaus KD, Plant design and economics for chemical engineers, McGraw-Hill, 4th Ed., 523 (1991)
