Two phase dynamic model for gas phase propylene copolymerization in fluidized bed reactor

Shamiri, A. and Hussain, Mohd Azlan and Mjalli, F.S. (2011) Two phase dynamic model for gas phase propylene copolymerization in fluidized bed reactor. In: 6th International Conference on Diffusion in Solids and Liquids, DSL-2010, 2011, Paris.

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Porous materials have gained wide use in high level engineering structures due to their high stiffness/weight ratio, good energy absorption properties, etc. Frequently, thermal behavior is also an issue of concern and optimized multifunctional thermo-mechanical responses are sought for. This paper presents the application of a hybrid two-stage method for achieving an optimized layout of periodic truss-like structures in order to obtain a good compromise between thermal and mechanical elastic properties. The first stage employs a derivative free optimization method, which explores the design space, not getting trapped by local minima. The second stage uses a derivative based optimization algorithm to perform a refinement of the solution obtained in the first stage.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Conference code: 84766 Export Date: 5 March 2013 Source: Scopus CODEN: DDAFE doi: 10.4028/ Language of Original Document: English Correspondence Address: Shamiri, A.; Department of Chemical Engineering, University of Malaya, Kuala Lumpur, 50603, Malaysia; email: References: Choi, K.Y., Ray, W.H., (1985) Chem. Eng. Sci., 40, p. 2261; Mcauley, K.B., MacGregor, J.F., Hamilec, A.E., (1990) A.I.Ch.E.J., 36, p. 837; Fernandes, F.A.N., Lona, L.M.F., (2001) Chem. Eng. Sci., 56, p. 963; Hatzantonis, H., Yiannoulakis, H., Yiagopoulos, A., Kiparissides, C., (2000) Chem. Eng. Sci., 55, p. 3237; Floyd, S., Choi, K.Y., Taylor, T.W., Ray, W.H., (1986) J. Appl. Polym. Sci., 32, p. 2935; Shamiri, A., Hussain, M.A., Farouq, S.M., Mostoufi, N., (2010) Chem. Eng. J., 161, p. 240; Cui, H.P., Mostoufi, N., Chaouki, J., (2000) Chem. Eng. J., 79, p. 135; Kiashemshaki, A., Mostoufi, N., Sotudeh, R., (2006) Chem. Eng. Sci., 61, p. 3997; Shamiri, A., Hussain, M.A., Farouq, S.M., Mostoufi, N., Shafeeyan, M.S., (2011) Chem. Eng. Sci., , doi:10.1016/j.ces.2010.12.030; Lucas, A., Arnaldos, J., Casal, J., Puigjaner, L., (1986) Ind. Eng. Chem. Process. Des. Dev., 25, p. 426; Kuni, D., Levenspiel, O., (1991) Fluidization Engineering, , 2nd ed. Butterworth-Heineman: Boston, MA; Hilligardt, K., Werther, J., (1986) Ger. Chem. Eng., 9, p. 215; Cui, H.P., Mostoufi, N., Chaouki, J., (2001) Powder Technol., 120, p. 12; Khare, N.P., Luca, B., Seavey, K.C., Liu, Y.A., (2004) Ind. Eng. Chem. Res., 43, p. 884
Uncontrolled Keywords: Fluidized bed, Gas phase, Modeling, Propylene copolymerization, Absorption property, Derivative-free optimization, Design spaces, Elastic properties, Engineering structures, Fluidized bed reactors, High stiffness, Local minimums, Optimization algorithms, Thermal behaviors, Thermo-mechanical, Two phase, Two-stage methods, Chemical reactors, Copolymerization, Copolymers, Diffusion in solids, Fluid catalytic cracking, Fluidized beds, Gases, Mechanical properties, Optimization, Porous materials, Propylene, Fluidization.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 10 Jul 2013 01:09
Last Modified: 10 Feb 2021 03:20

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