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- In relation to this article, we declare that there is no conflict of interest.
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Received April 27, 2005
Accepted February 27, 2006
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Characterization of crude feed and products from operating conditions by using continuous probability functions and inferential models
Department of Chemical and Bio-chemical Engineering, Dongguk University, 3-26, Pil-dong, Choong-gu, Seoul 100-715, Korea
sjpark@dgu.edu
Korean Journal of Chemical Engineering, July 2006, 23(4), 517-521(5), 10.1007/BF02706788
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Abstract
The purpose of this paper is to provide information for the characterization of the products and feed of a crude fractionator, hard to get from a hardware system, by using probability function and inferential model of realtime operating conditions. TBP is a major characteristic of CDU products and feed. It has become possible to consider that the TBP of component can be predicted by using an inferential modeling technique such as partial least square (PLS) or artificial neural network. On the other hand, knowing that the characteristic of each product of a crude distillation unit follows a continuous probability distribution function, variables of the probability distribution function can be calculated from operating conditions in the same way. In general, the proposed model can provide a tool for doing more efficient operations to maximize profit.
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References
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Cooper JB, Wise KL, Groves J, Welch WT, Anal. Chem., 67(22), 4096 (1995)
Chatterjee T, Saraf DN, J. Process Control, 14(1), 61 (2004)
Dave DJ, Dabhiya MZ, Satyadev SVK, Ganguly S, Saraf DN, J. Process Control, 13(3), 267 (2003)
De Bakker CJ, Fredricks PM, Appl. Spectrosc., 49(12), 1766 (1995)
El-Hadi D, Bezziana M, Fuel, 84(5), 611 (2005)
Friedman YZ, Hydrocarb. Process., 73, 97 (1994)
Haswell SJ, Walmsley AD, Anal. Chim. Acta, 400, 399 (1999)
Hwang J, Kim CH, Lim GB, Korean J. Chem. Eng., 12(2), 244 (1995)
Jiang BN, Comput. Meth. Appl. Mech. Eng., 152, 239 (1998)
Kresta J, MacGregor JF, Marlin T, Can. J. Chem. Eng., 69, 35 (1991)
Kumar V, Sharma A, Chowhury IR, Ganguly S, Saraf DN, Fuel Process. Technol., 73, 1 (2001)
Messick NJ, Kalvas JH, Lang PM, Microchem J., 55, 200 (1997)
Pandya AS, Szabo RR, SPIE, 3390, 197 (1998)
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Zhu Y, van Wijck M, Janssen E, Graaf T, van Aalst K, Kieviet L, “Crude unit identification for MPC using ASYM method,” Proceedings of the American Control Conference, Albuquerque, New Mexico, June (1997)
