Abstract
친환경 냉매인 R-1234yf를 제조하기 위하여 오불화프로펜인 1,2,3,3,3-pentafluoropropene의 수소화반응을 수행하였다. 수소화반응 촉매로 팔라듐이 담지된 탄소입자를 제조하여 실험에 사용하였다. 반응조건에 따른 수소화반응 활성을 규명하기 위하여 WHSV, 반응온도 및 반응물의 조성에 따른 반응성능에 대하여 조사하였다. 일정한 실험 조건에서 WHSV는 주 생성물의 선택도에 영향이 없으며, 반응온도의 경우 높은 온도에서 우수한 생성물 선택도를 보였다. 수소와 반응물의 비의 경우 1.5 미만에서 우수한 생성물 선택도를 보였다. 또한 반응조건에 따른 생성물의 수율을 예측할 수 있는 모델식을 통계학적 접근을 통해 완성하였다. In this study, hydrogenation of 1,2,3,3,3-pentafluoropropene was performed to produce R-1234yf as an environmentally friendly refrigerant. Palladium based carbon was prepared as a catalyst in the hydrogenation reaction. The effect of reaction conditions including the weight hourly space velocity (WHSV), reaction temperature and ratio of hydrogen and reactants on the catalytic performance was investigated. Under the identical reaction conditions, the effect of WHSV on the main product selectivity was insignificant, but a high reaction temperature was essential for the good product selectivity. A high product selectivity was also obtained when the ratio of hydrogen and reactants kept less than 1.5. Moreover, a correlation model involving the statistical approach to predict product yields was developed.
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