Simulation and optimization of ethanol amine production plant |
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Authors: | Gholamreza Zahedi Saeideh Amraei Mazda Biglari |
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Affiliation: | 1.Process Systems Engineering Centre (PROSPECT), Faculty of Chemical and Natural Resources Engineering,Universiti Teknologi Malaysia, UTM Skudai,Johor Bahru,Malaysia;2.Simulation and Artificial Intelligence Research Center, Chemical Engineering, Department,Razi University,Razi,Iran;3.Department of Chemical Engineering,Ryerson University,Toronto,Canada |
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Abstract: | An industrial Ethanol Amine (EA) production plant was simulated and optimized. Due to lack of accurate reaction rate information,
the first step involved obtaining reliable kinetic data from the SRI (Stanford Research Institute) industrial database and
calculation using error minimization method. In the next step, by implementing the obtained reaction kinetics the whole plant
was simulated using Hysys software. Simulation results were compared with the SRI data and showed that there is acceptable
agreement between simulation and the measured industrial data. In the next step of study by applying the gradient search (GS)
optimization technique the plant was optimized using: feeding ammonia to ethylene oxide (EO) molar ratio, water flow rate
in the feed stream, and reactor temperature as optimization variables. Employing process profit as objective function the
optimal operating conditions were found to be: ammonia to EO ratio of 5 (mol/mol), water flow rate of 52.59 kg mol/hr and
reactor temperature of 85 °C. |
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