Optimal operation of a pyrolysis reactor
Jarullah, Aysar Talib Hameed, S.A. Hameed, Z.A.
Jarullah, Aysar Talib
Hameed, S.A.
Hameed, Z.A.
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2015
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Abstract
In the present study, the problem of optimization of thermal cracker (pyrolysis) operation is discussed. The main objective in thermal cracker optimization is the estimation of the optimal flow rates of different feeds (such as, Gas-oil, Propane, Ethane and Debutanized natural gasoline) to the cracking furnace under the restriction on ethylene and propylene production. Thousands of combinations of feeds are possible. Hence the optimization needs an efficient strategy in searching for the global minimum. The optimization problem consists of maximizing the economic profit subject to a number of equality and inequality constraints. Modelling, simulation and optimal operation via optimization of the thermal cracking reactor has been carried out by gPROMS (general PROcess Modelling System) software. The optimization problem is posed as a Non-Linear Programming problem and using a Successive Quadratic Programming (SQP) method for solving constrained nonlinear optimization problem with high accuracy within gPROMS software. New results have been obtained for the control variables and optimal cost of the cracker in comparison with previous studies.
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Jarullah AT, Hameed SA, Hameed ZA et al (2015) Optimal operation of a pyrolysis reactor. In: Gernaey KV, Huusom JK and Gani R (Eds) 12th International Symposium on Process Systems Engineering and 25th European Symposium on Computer Aided Process Engineering.Computer Aided Chemical Engineering: 827-832.
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