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Influence of the composition of concentrate solutions on the efficiency of carbon dioxide removal from monoethanolamine aqueous solution by electrodialysis
Abstract The feasibility of optimizing the electromembrane removal of carbon dioxide from an aqueous monoethanolamine (MEA) solution with a CO2/MEA molar ratio of 0.2 after the regeneration stage aimed to reduce the loss of MEA with the concentrate has been explored. The influence of the composition of the concentrate solution on the recovery of carbon dioxide and the specific loss of MEA (g MEA/g CO2 recovered) for a process duration of 1 h has been studied. The solution in the concentration cells was either distilled water or aqueous MEA solutions with a different carbon dioxide loadings. It has been found that the CO2 recovery ranges within 56.6–66.5%; the maximum and minimum specific losses of MEA make 4.80 and 1.49 g MEA/g CO2 recovered; and the specific energy consumption is 6.48–9.72 MJ/kg CO2 recovered.
Influence of the composition of concentrate solutions on the efficiency of carbon dioxide removal from monoethanolamine aqueous solution by electrodialysis
Abstract The feasibility of optimizing the electromembrane removal of carbon dioxide from an aqueous monoethanolamine (MEA) solution with a CO2/MEA molar ratio of 0.2 after the regeneration stage aimed to reduce the loss of MEA with the concentrate has been explored. The influence of the composition of the concentrate solution on the recovery of carbon dioxide and the specific loss of MEA (g MEA/g CO2 recovered) for a process duration of 1 h has been studied. The solution in the concentration cells was either distilled water or aqueous MEA solutions with a different carbon dioxide loadings. It has been found that the CO2 recovery ranges within 56.6–66.5%; the maximum and minimum specific losses of MEA make 4.80 and 1.49 g MEA/g CO2 recovered; and the specific energy consumption is 6.48–9.72 MJ/kg CO2 recovered.
Influence of the composition of concentrate solutions on the efficiency of carbon dioxide removal from monoethanolamine aqueous solution by electrodialysis
Novitsky, E. G. (author) / Vasilevsky, V. P. (author) / Bazhenov, S. D. (author) / Grushevenko, E. A. (author) / Vasilyeva, V. I. (author) / Volkov, A. V. (author)
Petroleum Chemistry ; 54 ; 680-685
2014-12-01
6 pages
Article (Journal)
Electronic Resource
English
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