Experimental study of the optimization of a semi-batch reactor = 반회분 반응기 최적화의 실험적 연구

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In general, the productivity and the product quality of batch or semi-batch reactor can be improved by finding the optimal temperature trajectory. Instead of numerical techniques, the minimization of the reaction time of the semi-batch transesterification reactor is treated by analysis and qualitative consideration in this thesis. The optimization of the transesterification or esterification stage, the first stage of the production of PET(polyethylene terephthalate) is performed by using a simple kinetic model of the main reaction, the qualitative consideration of the side reactions and the flash distillation model. The process constraints were found from the several experimental observations. A simple time optimal temperature trajectory was proposed. The proposed time optimal temperature trajectory reduces the batch time by 30-45 min within the process constraints. Additionally, the kinetic model of the transesterification reaction of dimethylene terephthalate with ethylene glycol was developed based on the total mass. It has an analytical solution, and the kinetic parameters, $K_{a,o}$ and $E_a$ were found from isothermal and non-isothermal kinetic analyses of the experimental data. The total mass based kinetic model with flash distillation model well represents the transesterification reaction.
Advisors
Park, Sun-Wonresearcher박선원researcher
Description
한국과학기술원 : 화학공학과,
Publisher
한국과학기술원
Issue Date
1994
Identifier
69351/325007 / 000923261
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 화학공학과, 1994.2, [ vi, 62 p. ]

URI
http://hdl.handle.net/10203/29370
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=69351&flag=dissertation
Appears in Collection
CBE-Theses_Master(석사논문)
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