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오경렬,황영규 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.1
Global warming and demand for renewable resources are two major issues in 21st century for sustainable growth of chemical industry. Utilization of CO<sub>2</sub> and the use of alternative energy source will contribute to the mitigation of the above issues. Combining dehydrogenation of biodiesel byproduct and (transfer) hydrogenation of CO<sub>2</sub> will effectively utilize two abundant reagents and provide value-added chemicals. The development of efficient heterogeneous catalyst is necessary to realize the proposed system. Here, we prepared highly dispersed metal nanoparticles on porous carbon to test the simultaneous conversion of glycerol and CO<sub>2</sub>. Metal complex encapsulated in porous inorganic-organic hybrids provided the desired catalysts, thereby, show remarkable catalytic property on the proposed reaction.
오경렬 대한설비공학회 2000 설비저널 Vol.29 No.3
지난 7998년 5월 턴키(turn-key)방식으로 수주하여 2001년 11월 준공을 목표로 공사중인 천안시 생활쓰레기 소각장에 대한 개략적인 소개를 통해 일반시민이 갖고 있는 소각장에 대한 부정적인 시각을 조금이나마 개선하는데 기여코자 한다.
Anil H. Valekar,오경렬,이수경,황영규 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.101 No.-
Glycerol and carbonates (used as CO2 sources) were simultaneously converted to carboxylic acid saltsunder mild hydrothermal media over supported Pt catalysts. The dehydrogenation of glycerol producedlactate (LA); at the same time, hydrogen molecules released from glycerol were effectively transferred toreduce carbonate or bicarbonate ions to formate (FA). Several reaction parameters, including temperature,time, glycerol and carbonate concentration, water amount, catalyst loading, and CO2 source wereevaluated. Under the optimized reaction conditions, ~50% yield of LA from glycerol and ~26% yield ofFA from potassium carbonate were achieved concomitantly over Pt/c-Al2O3 catalyst. Importantly, thiswas done without using external H2 or additional strong base. The textural, structural, and chemicalproperties of the catalysts were evaluated using N2 adsorption–desorption, powder X-ray diffractometry(PXRD), inductively coupled plasma-atomic emission spectrometry, scanning transmission electronmicroscopy (STEM), temperature programmed reduction, and temperature programmed desorption analysis. The catalyst was reused for four consecutive cycles with little variation in catalytic activity and productdistribution. Used catalysts were further characterized using, PXRD, STEM, and X-ray photoelectronspectral analysis to better understand the structural and chemical changes that occurred in the recycledcatalysts, and the factors governing change in the catalytic activity. A plausible reaction pathway wasproposed based on the catalytic results and the product distribution data obtained.
Screening for Antioxidative Activity of Oriental Medicinal Plant Materials
Young-Min Goo(구영민),Min Ji Kim(김민지),Hyo-Hyung Lee(이효형),Keon Hee Ko(고건희),Seung-Kyu Ahn(안승규),Ji-Yun Min(민지윤),Kyeong Yeol Oh(오경렬),Gyeong-Seon Kim(김경선),Yun Geun Kim(김윤근),Jun Young Kim(김준영) 한국약용작물학회 2013 한국약용작물학회 학술대회논문집 Vol.2013 No.2