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引用次数: 2
摘要
i -苯乙醇在钼酸钍催化剂上气相氧化形成苯乙酮作为唯一产物。在差流反应器中研究了该反应的动力学 $473 \leq T \leq 573 K$为了模拟该反应，我们尝试了24种不同的配方，并得到了速率方程- $r_ A$ ＝ $k_A$$k_o$$P_A$$^mp_O$$^n/$$(K_OP_O$$^n + Nk_AP_A$$^m)$ 已被发现足以代表数据。铁离子和钼酸钍体系的动力学比较表明，铁离子作为氧载体。解释了六价钼在吸引和氧化醇方面的独特作用。
Kinetic modeling of vapor-phase oxidation of 1-phenylethanol over thorium molybdate
Vapor-phase oxidation of I-phenylethanol over thorium molybdate catalyst forms acetophenone as sole product.The kinetics of the reaction is investigated in a differential flow reactor at $473 \leq T \leq 573 K$.Twenty-four different formulations were tried in an attempt to model the reaction, and the rate equation - $r_ A$ = $k_A$$k_o$$P_A$$^mp_O$$^n/$$(K_OP_O$$^n + Nk_AP_A$$^m)$ has been found to adequately represent the data. A kinetic comparison of ferric and thorium molybdate systems suggests that the ferric ion acts as an oxygen carrier.The unique role of hexavalent molybdenum in attracting and oxidizing the alcohol is explained.
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