Modeling, simulation and control of a tubular fixed-bed dimethyl ether reactor
Publish place: 5th International Congress on Chemical Engineering
Publish Year: 1386
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC05_378
تاریخ نمایه سازی: 7 بهمن 1386
Abstract:
In this paper modeling and control of a tubular fixed bed reactor with recycle stream for dimethyl ether (DME) production has been considered. A pseudo homogeneous model is used for simulating the process. Reactor behavior is modeled using reaction kinetics and conservation laws. For cooling the reactor a steam drum is coupled with the reactor which uses the heat of reaction to produce steam. Two control loops are considered for controlling the reactor temperature and steam drum level. Controllers are conventional PI controllers. By defining an objective function, the DME production is maximized and the optimum shell temperature is obtained.
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Authors
Elham Yasari
Department of Chemical & Petroleum Engineering, Sharif University of Technology, Tehran, Iran
Mohammad Shahrokhi
Department of Chemical & Petroleum Engineering, Sharif University of Technology, Tehran, Iran