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엄호석,유홍진 순천향대학교 부설 산업기술연구소 2013 순천향 산업기술연구소논문집 Vol.19 No.2
In this study, adsorption characteristics of CO2 on zeolite 13X were examined. The equilibrium isotherms of CO2 (purity:99.999%) on zeolite 13X were studied by volumetric method. Adsorption rates of CO2 were measured by a Thermogravimetric Analyzer(TGA) apparatus. Also, surface analysis of 13X was performed by SEM. Equilibrium data of CO2 were well fitted with the Langmuir isotherms. The adsorption rates were faster than those at lower temperatures.
순천향대학교 Campus의 실내 및 실외 미세먼지(PM10) 농도 분포에 관한 연구
엄호석,장세연,이새롬,유홍진 순천향대학교 부설 산업기술연구소 2009 순천향 산업기술연구소논문집 Vol.19 No.1
In this study, indoor and outdoor PM10 concentrations were investigated at Soonchunhyang University campus. The outdoor concentrations of PM10 were below the regulation standards, except some places. In some buildings, the indoor concentrations of PM10 were slightly above the regulation standards.
엄호석,유홍진 순천향대학교 부설 산업기술연구소 2014 순천향 산업기술연구소논문집 Vol.20 No.1
In this study, adsorption characteristics of CO2 on zeolite 4A and 5A were examined. The equilibrium isotherms of CO2 (purity:99.999%) on zeolite 4A and 5A were studied by volumetric method. Adsorption rates of CO2 were measured by a Thermogravimetric Analyzer(TGA) apparatus. Equilibrium data of CO2 were well fitted with the Langmuir isotherms. The adsorption rates were faster than those at lower temperatures.
이성민,문동환,엄호석,유홍진 순천향대학교 부설 산업기술연구소 2012 순천향 산업기술연구소논문집 Vol.18 No.1
This study was performed to investigate the characteristics of indoor air qualities at Soonchunhyang University campus. Concentrations of three air pollutants(CO, CO2, and O3) were measured. The concentrations of CO2 and O3 were below the regulation standards. However, CO concentration was measured above the regulation standard in some buildings.