매체순환연소를 위한 Ni계열 산소전달입자의 반응 특성 및 반응 모델

박지혜; 황라현; 백점인; 류호정; 이광복

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자료유형: 학술저널

저자정보: 박지혜 황라현 백점인 류호정 이광복

저널정보: 한국수소및신에너지학회 한국수소및신에너지학회논문집 한국수소 및 신에너지학회 논문집 제29권 제1호

발행연도: 2018.2

수록면: 90 - 96 (7page)

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Reaction characteristics and kinetics of a oxygen carrier (OCN717-R1SU) for chemical looping combustion (CLC) have been investigated using TGA by changing gas concentration (10-30 vol.% CH₄) and reaction temperature (825- 900℃). Reaction rate of OCN717-R1SU increased as temperature increased and it was found that reaction is delayed at the initial reaction regime. Johnson-Mehl-Avrami (JMA) model was adopted to explain the reaction phenomenon. The activation energy (E) determined by JMA model in reduction reaction of OCN717-R1SU is 151.7±2.03 kJ/mol and pre-exponential factor and JMA exponent were also obtained. The parameters calculated in this study will be applied in design of the reactor and operation conditions for CLC process.

#매체순환연소 #반응속도 #산소전달입자 #환원반응성 #CLC #JMA 모델 #JMA model #Kinetics #Oxygen carrier particle #Reduction reactivity

참고문헌 (25)

참고문헌 신청

류호정 / 2009 / 매체순환식 가스연소기용 산소공여입자들의 연료별 연소특성 / 한국수소및신에너지학회논문집 20(1):45~54

J. D. Figueroa / 2008 / Advances in $CO_2$ capture technology-the US Department of Energy's Carbon Sequestration Program / Int. J. Greenhouse Gas Control 2(1):9~20

H. J. Ryu / 2003 / $CO_2-NO_x$ free chemical-looping combustion technology, KOSEN report

김하나 / 2016 / 산소전달량 및 마모손실 측정에 의한 매체순환연소용산소전달입자 후보 선정 / 한국수소및신에너지학회논문집 27(4):404~411

L. Protasova / 2016 / Recent developments in oxygen carrier materials for hydrogen production via chemical looping processes / Fuel 181(1):75~93

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