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모세영,박인호,김만수,손종열 ( Se Young Mo,In Ho Park,Man Soo Kim,Chong Yul Son ) 충북대학교 산업과학기술연구소 1996 산업과학기술연구 논문집 Vol.10 No.1
Abstract_Roman The pozzolanic reaction products were produced by pozzolanic reaction of the slurry of mixture of the hydrated lime and briquette ash of which composition is very similar to that of coal fly ash and being generated in great quantity, and i
분출층내(噴出層內) 환상부(環狀部)에서의 개체입자의 체재시간(滯在時間) 산출에 관한 연구
모세영,강웅기 고려대학교 공학기술연구소 1985 고려대학교 생산기술연구소 생기연논문집 Vol.21 No.1
This study presents a correlation for the calculation of the residence time of the particles in each plug flow passage in the annulus of the spouted bed. This correlation is derived by assuming that the flow of particles from the bed level to the spout wall, i.e. through annulus, is a combination of many plug flow passages and that the residence time in the annulus is a function of the column geometry, the physical properties of the particles and fluids, and the operating conditions. A visual technique was applied to measure the residence time in the annulus of the semi-circular spouted bed by varying the column size, the fluids and its velocity, and the solid particles. The system were barley-air, german millet-air, polyester chip-air, and polyester chip-water and the experimental results were generally agreed wich the results calculated from the correlation within the range of the present experiment.
KOH로 처리된 ${\gamma}$} -Alumina를 이용한 NO의 제거특성
모세영,김만수,장홍기,안대현,손종렬 대한환경위생공학회 2001 대한환경위생공학회지 Vol.16 No.3
NOx coming from combustion make photochemical smog and acid rain, cause chronic respiratory disease resulting in critical hazard to environment and human health. Most composition of NOx coming from combustion is NO and the remaining small amount of $NO_x$ is $NO_2$. Currently, many technologies are developed and used to control NO release. One of these technologies is control technology through use of the adsorbent. In this study, two methods were used to make the adsorbent and compared. KOH and ${\gamma}{\;}-alumina$ were mixed by using two methods. Then, the experimental conditions were as follows: the concentrations of KOH used were 1 mole, 0.5 mole, and 0.1 mole, respectively and the amount of ${\gamma}{\;}-alumina$</TEX was constantly maintained. In addition, the characteristics of adsorbent were investigated at the temperature of 100, 150, 200, and $250^{\circ}C$. As a result, precipitation method, which is one of the production methods of the adsorbent, showed the most removal efficiency as KOH concentration as 1 mole and reaction temperature as $100^{\circ}C$ were used. This study shows 40 to 60% of micropores of ${\gamma}{\;}-alumina$ was lost by the reaction with KOH through the analysis of SEM and BET Finally, KOH is the most predominant factor to control the removal of NO rather than micropore of the adsorbent.