Abstract
Integrated process models were developed to produce dimethyl ether (DME) from the byproduct gas of the steelmaking process. Two different separation trains (the use of flash drums to separate light gases followed by two columns to separate CO2 and DME vs. the application of an absorber to separate light gas and CO2 under mild temperatures), and two different recycling strategies (recycling with and without further separation of hydrogen by a membrane) were considered. Detailed kinetic reactions for methanol (MeOH) synthesis from syngas and the dehydration of MeOH to DME were used in the reactor model, which helped predict the compositions of the reactor effluent under various conditions and determine the operating conditions of the separation trains. Both separation trains with recycled stream increased the DME production rate and overall CO2 conversion, while the sizes of the reactor and separators, and the utility costs of refrigeration, absorbent recovery, recycled stream compression, etc. were significantly increased. The tradeoffs between different cases were quantitatively analyzed by techno-economic and sensitivity analyses. The results showed that the use of the absorber with the recycling of hydrogen is the most feasible process for the economic production of DME with high CO2 reduction.
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References
A. Masudi, N. W. Che Jusoh and O. Muraza, J. Cleaner Prod., 277, 124024 (2020).
S. H. Park and C. S. Lee, Energy Convers. Manage., 86, 848 (2014).
W.-H. Chen, C.-L. Hsu and X.-D. Wang, Energy, 109, 326 (2016).
H. Park, Y. Woo, H. S. Jung, G. Kim, J. W. Bae and M.-J. Park, J. Cleaner Prod., 326, 129367 (2021).
Z. Azizi, M. Rezaeimanesh, T. Tohidian and M. R. Rahimpour, Chem. Eng. Process., 82, 150 (2014).
G. Leonzio, J. CO2 Util., 27, 326 (2018).
J. Chung, W. Cho, Y. Baek and C.-H. Lee, Trans. Korean Hydrogen New Energy Soc., 23, 559 (2012).
Y. Zhang, S. Zhang and T. Benson, Fuel Process. Technol., 131, 7 (2015).
L. R. Clausen, B. Elmegaard and N. Houbak, Energy, 35, 4831 (2010).
C. Mevawala, Y. Jiang and D. Bhattacharyya, Appl. Energ., 238, 119 (2019).
N. Park, M.-J. Park, Y.-J. Lee, K.-S. Ha and K.-W. Jun, Fuel Process. Technol., 125, 139 (2014).
K. L. Ng, D. Chadwick and B. A. Toseland, Chem. Eng. Sci., 54, 3587 (1999).
G. J. Kwak, G. U. Kim, Y. J. Lee and S. C. Kang, KOR. Patent, KR102316885B1 (2021).
C. Mevawala, Y. Jiang and D. Bhattacharyya, Appl. Energ., 204, 163 (2017).
J.M. Douglas, Conceptual design of chemical processes, McGraw-Hill, New York (1988).
W. D. Seider, J. D. Seader and D. R. Lewin, Product & process design principles: synthesis, analysis and evaluation, 3rd edn. John Wiley & Sons, New Jersey (2009).
S. M. Walas, Chemical process equipment: selection and design, Butterworths, Boston (1988).
M. S. Peters, K. D. Timmerhaus and R. E. West, Plant design and economics for chemical engineers, McGraw-Hill, New York (2003).
S. Kim, Y. Kim, S.-Y. Oh, M.-J. Park and W. B. Lee, J. Nat. Gas Sci. Eng., 96, 104308 (2021).
G. D. Ulrich and P. T. Vasudevan, Chem. Eng., 113, 66 (2006).
W. L. Luyben, Comput. Chem. Eng., 103, 144 (2017).
R. Turton, R. C. Bailie, W. B. Whiting and J. A. Shaeiwitz, Analysis, synthesis and design of chemical processes, Prentice Hall, New Jersey (2008).
Acknowledgements
This research was supported by the National Research Foundation of Korea (NRF), funded by the Ministry of Science and ICT of the Republic of Korea (No. 2021M3I3A1084300). G. Kim acknowledges that this work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea (No. 20212010100040).
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Techno-economic analysis of the integrated DME production process: Effects of different separation trains and recycling strategies
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Park, H., Bae, J.W., Kim, G. et al. Techno-economic analysis of the integrated DME production process: Effects of different separation trains and recycling strategies. Korean J. Chem. Eng. 39, 2925–2934 (2022). https://doi.org/10.1007/s11814-022-1235-8
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DOI: https://doi.org/10.1007/s11814-022-1235-8