Synthesis of NB-ETS-4 with large scale and its CO2 adsorption properties
- 주제어 (키워드) Synthesis of nano belt ETS-4 , CO2 capture in humid condition , FTIR study of CO2 adsorption , Synchrotron X-ray analysis of CO2 adsorption
- 발행기관 서강대학교 일반대학원
- 지도교수 윤경병
- 발행년도 2023
- 학위수여년월 2023. 2
- 학위명 박사
- 학과 및 전공 일반대학원 화학과
- 실제 URI http://www.dcollection.net/handler/sogang/000000069882
- UCI I804:11029-000000069882
- 본문언어 영어
- 저작권 서강대학교 논문은 저작권 보호를 받습니다.
초록 (요약문)
The two major challenges for CO2-sorbing porous materials are to capture CO2 effectively from the streams of humid ambient air and the industrially generated humid flue gases without the need to remove moisture from them and to release the captured CO2 at low temperatures to save energy and plant capital and operational costs. Here, we report a large-scale synthesis of microporous titanosilicate which shows the highest CO2-capturing capacities from humid flue gases and ambient air, and has a very low CO2 desorption temperature. The moisture resistance of this material is attributed to the different water and CO2 adsorption sites and formation of water stable Ti-monodentate bicarbonate on the titanyl (Ti=O) group in the channel of NB-ETS-4 with flue gas adsorption.
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