未反応核モデルにおける混合律速反応速度式の速度パラメータの修正決定法

概要

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To determine rate parameters for the gaseous reduction of an iron oxide pellet, mixed-control plot proposed by T. YAGI and Y. ONO (Trans. ISIJ, 8 (1968), 377.) has been widely used. The method, however, can not be properly applied to the case where the reduction is retarded at the beginning. In this paper, a modified method to avoid any influence of the initial delay of reduction on the mixed-control plot is proposed. In this method a straight line representing the mixed-control plot is drawn to pass through an observed data point (t=t_1, F=F_1) other than the initial point. The point (t=t_1, F=F_1) is selected so that the value of F_1 may be relatively low and the mean relative residual of the calculated reaction time from the observed time, ⊿t_r, can be minimum.
社団法人日本鉄鋼協会の論文
1981-07-01