Journal
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
Volume 63, Issue -, Pages 77-85Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijggc.2017.05.007
Keywords
3DMA1P; CO2 solubility; Thermodynamic models; ANN model
Categories
Funding
- National Natural Science Foundation of China (NSFC) [21536003, 21476064, 21376067, 51521006]
- National Key Technology R & D Program (MOST) [2014BAC18B04]
- Innovative Research Team Development Plan (MOE) [IRT1238]
- Specialized Research Fund for the Doctoral Program of Higher Education (MOE) [20130161110025]
- China Outstanding Engineer Training Plan for Students of Chemical Engineering & Technology in Hunan University (MOE) [2011-40]
- China's State Project 985 in Hunan University-Novel Technology Research & Development for CO2 Capture
- Qatar National Research Fund [7-1154-2-433]
- China Scholarship Council (CSC)
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In this work, the CO2 equilibrium solubility of 3-dimethylamino-1-propanol (3DMA1P) is presented over the concentration range of 1-3 mol/L, the temperature range of 298-333 K, and the CO2 partial pressure of 3-101 kPa. Several thermodynamic models (i.e. Kent-Eisenberg model, Austgen model, Hu-Chakma model, Liu et al. model) were used to correlate and predict the CO2 equilibrium solubility of 3DMA1P solution. It was found that the Liu et al. model could be considered to be an appropriate model to predict the CO2 equilibrium solubility in 3DMA1P solutions with an absolute average deviation (ADD) of 9.4%. In addition, the ANNs models (BPNN and RBFNN model) were developed and used to correlate the CO2 equilibrium solubility of 3DMA1P. It was found that the ANNs models could predict the experimental values very well with excellent ADDs of 3.0% for the BPNN model and 4.4% for the RBFNN model, respectively. In addition, a comparison of thermodynamic models and ANN models was presented in terms of prediction of CO2 solubility in 3DMA1P solution.
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