CaSO₄ 기반 산소전달입자의 환원과 분해특성

류호정; 김하나; 이동호; 진경태; 백점인

추천

검색

질문

자료유형: 학술저널

저자정보: 류호정 김하나 이동호 진경태 백점인

저널정보: 한국수소및신에너지학회 한국수소및신에너지학회논문집 한국수소 및 신에너지학회 논문집 제26권 제6호

발행연도: 2015.12

수록면: 600 - 608 (9page)

이용수

📌

연구주제

📖

연구배경

🔬

연구방법

🏆

연구결과

초록· 키워드

오류제보하기

As a candidate for cheap oxygen carrier, CaSO₄ based oxygen carriers have been developing. However, research on reaction characteristics and side reaction of CaSO₄ based oxygen carrier is very limited. There are many possible reactions for main components of syngas from coal. In this study, we prepared three CaSO₄ based oxygen carriers (CaSO₄-Fe2O₃/bentonite, CaSO₄-K2CO₃/bentonite, CaSO₄-CaO/bentonite) and performed reduction tests by hydrogen. Cyclic reduction-oxidation tests up to 5 th cycle are also conducted using hydrogen as fuel. Reduction reactivity of those CaSO₄ based oxygen carriers were compared with that of NiO based oxygen carrier (OCN703-1100). Real weight change fractions of CaSO₄ based oxygen carriers were higher than theoretical oxyen transfer capacity and reactivity of these particles decreased with the number of cycle increased. To check possible side reaction of CaSO₄ based oxygen carriers, CaSO₄ decomposition tests were carried out and SO₂ was detected even at 700°C. Consequently, we could conclude that CaSO₄ based oxygen carriers decompose and release SO₂ and this reaction lead reactivity decay of CaSO₄ based oxygen carries.

#매체순환연소 #분해 #산소전달입자 #이산화황 #환원 #CLC #Decompostion #Oxygen carrier particle #Reduction #SO₂

참고문헌 (13)

참고문헌 신청

H. J. Ryu / 2003 / CO2-NOx Free Chemical-looping Combustion Technology

류호정 / 2012 / 가압 유동층 반응기에서 산소공여입자의 메탄 연소 특성에 미치는 온도, 압력 및 기체체류시간의 영향 / 한국수소및신에너지학회논문집 23(2):173~183

류호정 / 2004 / 매체순환식 가스연소기 적용을 위한 산소공여입자의 금속산화물 선정기준 / Korean Chemical Engineering Research(HWAHAK KONGHAK) 42(5):588~597

Y. Liu / 2012 / Reaction Mechanism of Coal Chemical Looping Process for Syngas Production with CaSO4 Oxygen Carrier in the CO2 Atmosphere / Industrial & Engineering Chemistry Research 51:10364~10373

M. Zheng / 2010 / Reduction of CaSO4Oxygen Carrier with Coal in Chemical Looping Combustion : Effects of Temperature and Gasification Intermediate / International Journal of Greenhouse Gas Control 4:716~728

함께 읽어보면 좋을 논문

논문 유사도에 따라 DBpia 가 추천하는 논문입니다. 함께 보면 좋을 연관 논문을 확인해보세요!