Design of advanced $CO_2$ adsorbents for practical $CO_2$ capture process using temperature swing adsorption온도교대흡착 이산화탄소 포집 공정에 적용 가능한 고성능 이산화탄소 흡착제의 개발 연구

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Global warming due to increased carbon dioxide (CO₂) emissions is an urgent issue to resolve because it can cause serious climate change and environmental problems. Among various CO₂ capture methods, Solid CO₂ adsorbents applied to the post-combustion capture process have been widely investigated. However, the adsorbents so far have been limited in their ability by reaction with carbon dioxide, oxygen, and water vapor during the CO₂ capture process, and also, it was impossible to mass-produce the adsorbents to be applied in the actual industry. To solve this problem, this study used common materials which are easy and economical to mass production as raw material of the adsorbent. The pore structural characteristics of the silica used as the support were controlled and the physicochemical properties of amine polymers were changed through a simple reaction to dramatically improve the CO₂ capture ability. The developed adsorbent satisfied various engineering requirements such as rapid CO₂ ad/desorption characteristics, high regeneration stability, mechanical strength and mass productivity. In addition to the development of adsorbents, the energy consumption of the capture process, which varies with the characteristics of the adsorbent, was analyzed and minimized and consequently the conditions under which the CO₂ capture process can be operated economically were derived.
Advisors
Choi, Minkeeresearcher최민기researcher
Description
한국과학기술원 :생명화학공학과,
Publisher
한국과학기술원
Issue Date
2018
Identifier
325007
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 생명화학공학과, 2018.2,[ix, 94 p. :]

Keywords

이산화탄소 흡착제▼a실리카 담지체▼a아민 고분자 개질화▼a재생 안정성▼a에너지 비용

URI
http://hdl.handle.net/10203/264932
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=734488&flag=dissertation
Appears in Collection
CBE-Theses_Ph.D.(박사논문)
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