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니켈촉매 상에서 천연가스와 메탄의 수증기 개질 반응에 관한 Kinetics 연구
성민준 ( Min Jun Seong ),이영철 ( Young Chul Lee ),박영권 ( Young Kwon Park ),전종기 ( Jong Ki Jeon ) 한국공업화학회 2013 공업화학 Vol.24 No.4
Kinetics data were obtained for steam reforming of methane and natural gas over the commercial nickel catalyst. Variables for the steam reforming were the reaction temperature and partial pressure of reactants. Parameters for the Power law rate model and the Langmuir-Hinshelwood model were obtained from the kinetic data. As a result of the reforming reaction using pure methane as a reactant, the reaction rate could be determined by the Power law rate model as well as the Langmuir-Hinshelwood model. In the case of methane in natural gas, however, the Langmuir-Hinshelwood model is much more suitable than the Power law rate model in terms of explaining methane reforming reaction. This behavior can be attributed to the competitive adsorption of methane, ethane, propane and butane in natural gas over the same catalyst sites.
전용두(Yong-du Jun),전종기(Jong-ki Jeon),홍정아(Jeong-a Hong),윤소영(Soyoung Yoon),신미(Mie Shin),김호경(Ho-kyung Kim),강혜진(Hyejin Kang) 한국자동차공학회 2011 한국자동차공학회 지부 학술대회 논문집 Vol.2011 No.5
In the present study, we performed the measurement and analysis of VOCs and Formaldehyde arising from the automobile interior components such as driver air bag(DAB) covers. The VOCs(volatile organic compounds), which is known to be responsible for so called new house/car syndrome, are controlled on the international and domestic bases. Especially for automobile parts, the remitted level of VOCs from individual products should meet the requirements set by the car manufacturers. We tried to evaluate the credibility of the measured VOC data, which is important for the products to be accepted by the car manufacturers. Focusing on the DAB covers fron K.D. Corporation, the measured data are presented and compared for validation.
루테늄 촉매를 이용한 에탄의 수증기 개질 반응 Kinetics와 반응기 Sizing
신미 ( Mi Shin ),성민준 ( Min Jun Seong ),장지수 ( Ji Su Jang ),이경은 ( Kyung Eun Lee ),조정호 ( Jung Ho Cho ),이영철 ( Young Chul Lee ),박영권 ( Young Kwon Park ),전종기 ( Jong Ki Jeon ) 한국공업화학회 2012 공업화학 Vol.23 No.2
상업용 루테늄 촉매 상에서 에탄의 수증기 개질 반응에 대한 kinetics 데이터를 얻기 위하여 반응온도, 에탄의 분압, 수증기/에탄의 비 등을 변화시키면서 반응 실험을 수행하였다. Kinetics 데이터를 사용하여 Power rate law kinetic model과 Langmuir-Hinshelwood model의 parameter를 구하였다. 또한 kinetic model식을 적용하여 PRO/II를 이용한 공정 모사를 통해서 에탄의 수증기 개질 반응기 sizing을 수행하였다. 동일한 전환율을 얻기 위해서는 Power rate law model을 적용하였을 경우가 Langmuir-Hinshelwood model을 적용하였을 경우보다 개질 반응기의 부피가 더 큼을 알 수 있었다. Langmuir-Hinshelwood model에 의해 계산된 반응 속도가 반응 실험 결과에 의해 구해진 반응 속도와 더 잘 일치했기 때문에 Langmuir-Hinshelwood model을 적용하여 계산된 반응기의 크기가 실제 반응기 설계에 더 적절하다고 판단된다. In this study, kinetics data was obtained for steam reforming reaction of ethane over the commercial ruthenium catalyst. The variables of ethane steam reforming were the reaction temperature, partial pressure of ethane, and steam/ethane mole ratio. Parameters for the power rate law kinetic model and the Langmuir-Hinshelwood model were obtained from the kinetic data. Also, sizing of steam reforming reactor was performed by using PRO/II simulator. The reactor size calculated by the power rate law kinetic model was bigger than that of using the Langmuir-Hinshelwood model for the same conversion of ethane. Reactor size calculated by the Langmuir-Hinshelwood model seems to be more suitable for the reactor design because the Langmuir-Hinshelwood model was more consistent with the experimental results.