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Evolutionary Algorithms for Controller Tuning of Tert-Amyl-Methyl-Ether Reactive Distillation

Journal of Systems Science and Systems Engineering 2020年第3期29卷 325-343页

作者： alireza behroozsarand David AWood Faculty of Chemical Engineering Urmia University of TechnologyUrmiaIran DWA Energy Limited LincolnUnited Kingdom

Efficient tuning of the coefficients used by proportional-integral-derivative(PID)controllers enhances their *** highly non-linear systems,optimization algorithms are required to make the PID controllers more responsive to *** production of tert-amyl-methyl-ether(TAME),an essential additive for gasoline,in reactive distillation columns integrates highly non-linear reaction and separation *** the other hand,TAME distillation is an azeotrope distillation process,therefore non-linearity of this process is more complex than that of conventional ***-controller tuning methods applying a genetic algorithm(GA)and a particle swarm optimization(PSO)algorithm are compared using a dynamic simulation that integrates the optimization algorithms with the HYSYS process *** PID controller response trends are analyzed following the introduction of a significant disturbance to the TAME reactive distillation column(i.e.,a ten percent change in the methanol feed temperature).The PSO PID controller tuning method that minimizes the integral of the absolute error(IAE)as its objective function significantly outperforms the GA tuning *** novel PID-tuning methodology developed has more extensive application potential.

关键词： TAME azeotropic reactive distillation PID-controller tuning particle swarm optimization genetic algorithm real-time controller optimization

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Multiobjective optimization scheme for industrial synthesis gas sweetening plant in GTL process

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Journal of Natural Gas Chemistry 2011年第1期20卷 99-109页

作者： alireza behroozsarand Akbar Zamaniyan Department of Chemical Engineering Islamic Azad University Department of Natural Gas Conversion Gas Research Division Research Institute of Petroleum Industry (RIPI)

In industrial amine plants the optimized operating conditions are obtained from the conclusion of occurred events and challenges that are normal in the working units. For the sake of reducing the costs, time consuming, and preventing unsuitable accidents, the optimization could be performed by a computer program. In this paper, simulation and parameter analysis of amine plant is performed at first. The optimization of this unit is studied using Non-Dominated Sorting Genetic Algorithm-II in order to produce sweet gas with CO 2 mole percentage less than 2.0% and H 2 S concentration less than 10 ppm for application in Fischer-Tropsch synthesis. The simulation of the plant in HYSYS v.3.1 software has been linked with MATLAB code for real-parameter NSGA-II to simulate and optimize the amine process. Three scenarios are selected to cover the effect of （DEA/MDEA） mass composition percent ratio at amine solution on objective functions. Results show that sour gas temperature and pressure of 33.98 ？ C and 14.96 bar, DEA/CO 2 molar flow ratio of 12.58, regeneration gas temperature and pressure of 94.92 ？ C and 3.0 bar, regenerator pressure of 1.53 bar, and ratio of DEA/MDEA = 20%/10% are the best values for minimizing plant energy consumption, amine circulation rate, and carbon dioxide recovery.

关键词： amine plant multiobjective optimization Non-Dominated Sorting Genetic Algorithm amine circulation rate

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Modeling of microreactor for syngas production by catalytic partial oxidation of methane

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Journal of Natural Gas Chemistry 2010年第6期19卷 660-668页

作者： Akbar Zamaniyan alireza behroozsarand Hamid Mehdizadeh Hussein Ali Ghadirian Department of Natural Gas Conversion Gas Research DivisionResearch Institute of Petroleum Industry (RIPI)Tehran 14665-1998Iran Department of Chemical Engineering Islamic Azad UniversityIlkhchi BranchIlkhchiTabriz 53581-1148Iran Department of Chemical Engineering NTNUTrondheimNO-7491Norway

Fixed-bed reactors for the catalytic partial oxidation of methane （CPOM） to produce synthesis gas still pose hot spots *** is a good alternative reactor proposed to resolve these *** this paper,synthesis gas （hydrogen and carbon monoxide） production was investigated by a two-dimensional numerical model of single *** fluid dynamic （CFD） modeling with detailed chemistry was conducted to understand the CPOM on platinum （Pt） *** inlet velocity,microchannel pressure,and fuel to air ratio （F/A） are selected as the effective parameters on microchannel *** results show that Reynolds number has considerable effect on methane conversion,hydrogen to carbon monoxide ratio （H2/CO）,and product *** gas inlet velocity causes all the above parameters to *** is noted that increasing microchannel pressure and decreasing the ratio of fuel to air cause the decrease of the H2/CO ratio.

关键词： synthesis gas microchannel catalytic partial oxidation of methane reynolds number

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