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Copper Chromite 담지 촉매에 의한 일산화 탄소의 산화반응속도에 관한 연구
Reaction Rate of Carbon Monoxide Oxidation over Supported Copper Chromite Catalyst
HWAHAK KONGHAK, February 1987, 25(1), 101-107(7), NONE
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Abstract
-알루미나를 담체로 copper chromite촉매를 제조하여 180∼300℃의 온도범위에서 일산화 탄소의 산화반응실험을 수행하였다. 제조된 촉매는 우수한 반응성을 나타내었는데 그 반응속도는 일산화 탄소의 분압이 증가함에 따라 거의 일차식으로 증가하였고 산소분압의 증가에 따라서는 다소 감소하는 경향을 보였다. 반응온도, 일산화 탄소의 분압 및 산소의 분압이 각각 반응속도에 미치는 영향을 체계적으로 조사하여 Langmuir-Hinshelwood형의 dua
Copper chromite catalyst was prepared with -alumina as support and used for oxidation of carbon monoxide in the temperature range between 180 and 300℃. The catalyst was found very active for the reaction. The reaction rate increased almost linearly with the partial pressure of carbon monoxide whereas it tended to decrease slightly as the oxygen partial pressure increased. The effects of the reaction temperature, the carbon monoxide partial pressure and the oxygen partial pressure were investigated systematically. By analyzing the experimental results it was confirmed that the reaction followed the dual site mechanism of Langmuir-Hinshelwood type, and the corresponding reaction rate equation was determined.