Characteristics of CO2 capture system using KIERSOL in the LNG flue gas
摘要
Korea Institute of Energy Research (KIER) has developed a high efficient chemical absorbent and economical process, named KIERSOLTM in 2012. Process design package of KIERSOLTM was transferred to Hyundai-Kia Motor Co. Ltd. on Sep. 12, 2012. And they were partly licensed to use KIERSOLTM absorbent and process, domestic application in the LNG flue gas. Although KIERSOLTM can be applied to many industries, like PC power plant, steel yard, cement factory and large scale industrial boiler, to capture CO 2 in the concentration region of from 6 to 50% in the flow stream, we will show the superior results including data by several analyzing apparatus for application to LNG flue gas in this study. Especially, reboiler heat duty, that many researchers has emphasized on the most important value of CO 2 capture process, was 2.3∼2.5 GJ/tCO 2 by computer simulation results using PROMAX electrolyte model and 2.23∼2.4 GJ/tCO 2 by 30 Nm3/h bench scale process tests for 3 months at Hyundai Motor Namyang Institute. This value could be calculated by sum from heat of absorption, heat of water vaporization and sensible heat of absorbent, too. Recently, we will try to apply KIERSOLTM to another CO 2 capture market like concentrated CO 2 industries.