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环境化学  2015 

电解催化降解苯胺过程的减秩因子法分析

Keywords: 减秩因子分析法,苯胺降解,两步一级模型

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Abstract:

本文用减秩因子分析法(RAFA)处理电解催化降解苯胺过程中的动力学谱-光谱组成的两维数据。分析结果表明,当以反应速率常数为优化对象,以消去反应物的信息作为减秩手段时,RAFA可以获得两个最优解,分别对应于两步速率常数(分别为0.0437和和0.0175min-1).在获得动力学参数的前提下,利用最小二乘回归法可解出包括中间体在内的各组分的吸收光谱。结果还发现苯胺降解过程中有一种表观中间体存在,降解过程符合两步一级反应模型。

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