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用同位素交换技术研究了CO2-CO与铁氧化物体系的反应。考察了反应速率常数随反应气体流量的变化,介绍了处理同位素交换法所获得数据的两种方法:方法1从反应界面CO2分解反应的角度计算反应速率常数;方法2从反应界面CO生成反应的角度计算反应速率常数。根据对试验所测数据的计算,比较和分析了两种计算方法的不同,并对方法1进行了修正,得到了和方法2完全一致的计算结果。
The reaction of CO2-CO with iron oxide system was studied by isotope exchange technique. The reaction rate constants with reaction gas flow were investigated. Two methods to deal with the data obtained by the isotope exchange method were introduced. The first method was to calculate the reaction rate constant from the perspective of CO2 decomposition reaction at the reaction interface. The second method was to generate CO from the reaction interface Calculate reaction rate constant from angle. According to the calculation of the measured data, the difference between the two methods is compared and analyzed, and the method 1 is modified to obtain the same result as the second method.