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제122회 대한화학회 학술발표회, 총회 및 기기전시회 안내 The novel strategies for developing CO2 absorbent based on MgO

2018년 7월 26일 11시 17분 01초
MAT.P-327 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
10월 18일 (목요일) 11:00~12:30
Material Chemistry
저자 및
Jin-Su Kwak, Kang Yeong Kim, Kyung-Ryul Oh, Jeong-Min Lee, Young-Uk Kwon*
Department of Chemistry, Sungkyunkwan University, Korea
An endeavor for reducing the concentration of CO2 in atmosphere induces the development of carbon capture utilization and storage (CCUS) technologies. The concept of this technology is to capture, separate CO2 from an anthropogenic point source and use it to the chemical reagents or store in underground. In order to realize CCUS technology, the development of CO2 absorbent is an urgent issue. The concept of triple stage CO2 absorption proposed by Park et al. make MgO a prominent material to be used in the intermediate temperature range (200-500 °C). We used the different phase of promoters such as solid and molten state alkali metal salts with additives and compared CO2 absorption performance. Based on the above experimental results, we propose CO2 absorption and desorption mechanisms of MgO promoted by alkali salts. In order to enhance the stability of the absorbents, we introduce ZrO2 dispersant to the solid alkali carbonate-promoted MgO absorbent. Finally, we suggest novel strategies for improving MgO based CO2 absorbent. Detailed results will be presented in a poster session.