Abstract
Recently there have been growing concerns that anthropogenic carbon dioxide (CO2) emissions cause the global warming problem. Therefore, the cutting-edge technologies for the reduction, separation and collection of the CO2 are very important to alleviate this problem. The best methods for reducing the CO2 emission are to increase the energy efficiency and to remove it from the power plant. The CO2 absorption from the syngas in the integrated gasification combined cycle (IGCC) might increase the energy efficiency of the power generation systems, which also contribute to mitigate the global warming. In this study, the suspensions of nanoparticles in methanol (called the nanofluid) are developed and estimated to apply it to absorb CO2 gas in the IGCC systems. The nanofluids are prepared by the ultrasonic treatment and show the good stability. It is found that the CO2 absorption rate by the nanofluid is enhanced up to ∼8.3% compared to the pure methanol.
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Jung-Yeul Jung received his Ph.D degree in Mechanical Engineering from Chung-Ang University in 2007. He is a senior researcher in Korea Ocean Research and Development Institute since 2011. His research interests are CO2 capture and storage (CCS), heat & mass transfer, nanofluid, biosensor.
Jae Won Lee received his B.S. degree in Mechanical Engineering from Kyung Hee University in 2010. Currently, he is a combined M.S. & Ph.D student at the Department of Mechanical Engineering, Kyung Hee University, Yongin, Korea. His researcher interests are CO2 absorption & regeneration, CO2 flow visualize, heat & mass transfer, nanofluids.
Yong Tae Kang received his BS, MS and Ph.D in Mechanical Engineering from Seoul National University in 1987 and 1989, and The Ohio State University in 1994, respectively. Currently, he is a Professor at the Department of Mechanical Engineering, Kyung Hee University, Yongin, Korea. His researcher interests are CO2 absorption & regeneration, heat & mass transfer, nanofluids, heat pump and air conditioning and refrigeration.
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Jung, JY., Lee, J.W. & Kang, Y.T. CO2 absorption characteristics of nanoparticle suspensions in methanol. J Mech Sci Technol 26, 2285–2290 (2012). https://doi.org/10.1007/s12206-012-0609-y
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DOI: https://doi.org/10.1007/s12206-012-0609-y