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Rate-based Modeling and Energy Optimization of Acid Gas Removal from Natural Gas Stream Using Various Amine Solutions by Arash Esmaeili; Taeksang Yoon; Tesfalem Aregawi Atsbha; Chul-Jin Lee is a Engineering article available to read on EtoBox.

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Reduction in energy consumption of industrial plants is always an essential need due to high cost, CO2 emissions and global warming caused by energy supply from fossil fuels for boilers and electricity consumers. Iran has been struggling to compensate the lack of gas supply for domestic and industrial demands in winter within the past decade despite of having large natural gas resources. One of the most economical methods to decrease energy requirements in hydrocarbon plants is process improvement and revamping by changing existing solvents. There are already 44 identical acid gas removal units under operation in the South Pars Gas Complex (located in Iran) with the same feed composition. The gas-sweetening unit in the Phase 12, operating with the solution of 45.5 wt% methyldiethanolamine (MDEA), was modeled by Aspen Plus for acid gas removal (CO2 and H2S) as a rate-based model with the application of electrolyte non–random two–liquid (E-NRTL) activity model and Peng–Robinson equation of state in addition to the actual characteristics of the absorber and regenerator, and the operational conditions of the gas and liquid streams. After validation of the model by the real data from th

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Author

Arash Esmaeili; Taeksang Yoon; Tesfalem Aregawi Atsbha; Chul-Jin Lee

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)