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Transformation of C<sub>9</sub> Aromatics on Metal Loaded Mordenite
이학성,김병규,박복수,Lee, Hak-Sung,Kim, Byung-Kyu,Park, Bok-Soo The Korean Society of Industrial and Engineering C 1990 공업화학 Vol.1 No.2
$C_9$ aromatics의 transakylation에 대한 금속담지 H-mordenite의 촉매활성 및 선택도에 관한 실험이 고압의 연속흐름 고정층 반응기에서 수행되었다. 니켈담지 H-mordenite(T-Ni) 촉매는 높은 활성을 나타내었으며, 이 활성의 감소속도가 느렸다. 몰리브덴 및 니켈이 담지된 H-mordenite(T-NiMo) 촉매도 높은 활성을 나타내었으며, 탄화수소의 탄화를 억제하였다. T-Ni 및 T-NiMo 촉매의 선택도는 실험범위 내에서 반응온도가 증가함에 따라 감소하였지만, 상업적으로 사용되는 T촉매의 선택도는 반응온도가 증가함에 따라 서서히 증가하였다. 촉매의 초기활성 및 활성감소 측면에서는 T-Ni 및 T-NiMo 촉매의 성능이 T촉매보다 우수하였으며, 몰리브덴의 첨가는 T-Ni 촉매의 안정성을 다소 개선하였다. The catalytic activity and selectivity of metal loaded H-mordenite for transalkylation of $C_9$ aromatics were studied in a continuous flow fixed bed reactor under high pressure. Nickel loaded H-mordenite(T-Ni) catalyst showed high activity and slow decay of activity. Molybdenum and nickel loaded H-mordenite(T-NiMo) catalyst also showed high activity and suppressed coking of hydrocarbons. The selectivity of xylene for T-Ni and T-NiMo catalysts decreased with temperature, but that for T catalyst(commercial grade) monotonically increased with temperature within the experimental range. The performance of T-Ni and T-NiMo catalysts was better than that of T catalyst in terms of initial activity and its decay. The addition of Mo improved slightly stability of T-Ni catalyst.
상반신 원형제작을 위한 남자 고등학생의 위한 체형 연구
임지영,김병옥,박복수,임송재,김미정 대한가정학회 2003 Family and Environment Research Vol.41 No.5
Fitness of clothes becomes a major concern in apparel industry. But high-school boys had difficulties to buy ready-made clothes of good fit. To solve this problem, it is necessary to classify boy's upper body into several kinds of somatotypes. The purpose of this study was to classify upper body types of high school boys based on the analysis of their upper body types. The subjects for anthropometric measurement were 99 high school boys or 16 to 18 year-old. The result of factor analysis indicated that 5 factors were extracted from anthropometric measurements through analysis and those factors comprise 68.44% of total variance. 3 clusters were categorized using 5 factor scores by cluster analysis. Type 1 was taller than other types and was bending somatotype. Type 2 was straight somatotype and had average size. Type 3 was characterized by short and small figure and had bending somatotype.
금속담지 Mordenite 에 의한 C9 Aromatics 전환반응
이학성,김병규,박복수 ( Hak Sung Lee,Byung Kyu Kim,Bok Soo Park ) 한국공업화학회 1990 공업화학 Vol.1 No.2
C_9 aromatics의 transakylation에 대한 금속담지 H-mordenite의 촉매활성 및 선택도에 관한 실험이 고압의 연속흐름 고정층 반응기에서 수행되었다. 니켈담지 H-mordenite(T-Ni) 촉매는 높은 활성을 나타내었으며, 이 활성의 감소속도가 느렸다. 몰리브덴 및 니켈이 담지된 H-mordenite(T-NiMo) 촉매도 높은 활성을 나타내었으며, 탄화수소의 탄화를 억제하였다. T-Ni 및 T-NiMo 촉매의 선택도는 실험범위 내에서 반응온도가 증가함에 따라 감소하였지만, 상업적으로 사용되는 T촉매의 선택도는 반응온도가 증가함에 따라 서서히 증가하였다. 촉매의 초기활성 및 활성감소 측면에서는 T-Ni 및 T-NiMo 촉매의 성능이 T촉매보다 우수하였으며, 몰리브덴의 첨가는 T-Ni 촉매의 안정성을 다소 개선하였다. The catalytic activity and selectivity of metal loaded H-mordenite for transalkylation of C_9 aromatics were studied in a continuous flow fixed bed reactor under high pressure. Nickel loaded H-mordenite(T-Ni) catalyst showed high activity and slow decay of activity. Molybdenum and nickel loaded H-mordenite(T-NiMo) catalyst also showed high activity and suppressed coking of hydrocarbons. The selectivity of xylene for T-Ni and T-NiMo catalysts decreased with temperature, but that for T catalyst(commercial grade) monotonically increased with temperature within the experimental range. The performance of T-Ni and T-NiMo catalysts was better than that of T catalyst in terms of initial activity and its decay. The addition of Mo improved slightly stability of T-Ni catalyst.