On degradation of chemical solvents for bulk removal of CO2 |
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| Affiliation: | 1. Engineers India Limited, Research and Development Centre, Gurgaon-122001 Haryana, India;1. Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan;2. SOKENDAI (The Graduate University for Advanced Studies), 3-1-1 Yoshinodai, Chuo-Ku, Sagamihara 252-5210, Japan;3. Tohoku University, 2-1-1 Katahira, Aoba-Ku, Sendai 980-8577, Japan;4. INO, 2740 Einstein St., Québec, Québec G1P 4S4, Canada;5. Advanced Engineering Services Co. Ltd., 1-6-1 Takezono, Tsukuba, Ibaraki 305-0032, Japan;1. A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, 8 Arbuzov st., 420088, Kazan, Russia;2. The Kazan National Research Technological University, 68 Karl Marx st., Kazan, 420015, Russia;1. Department of Physical Chemistry, University of Łódź, 90-236 Łódź, Pomorska 163, Poland;2. Dielectric Research Laboratory, Department of Physics, Jai Narain Vyas University, Jodhpur 342 005, India |
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| Abstract: | Chemical solvent degradation during bulk removal of CO2 has been studied for aqueous solutions of methyldiethanolamine (MDEA) and triethanolamine (TEA) promoted by piperazine (PIP) and morpholine (MOR), and for 40% aqueous solutions of diethanolamine (DEA). These solvents are either used commercially or have good commercial potential. Physical properties of the degraded solutions were measured. The study has been extended to determine the foaming characteristics of the solutions. The effectiveness of granular and powdered activated carbon in suppressing foaming was studied. The data generated by using accelerated degradation tests are of considerable interest to process engineers in the gas treating industry. |
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