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甲酸甲酯氢解制甲醇铜基催化剂上吸附物种的现场红外光谱表征
Authors
张鸿斌
李海燕
林国栋
林种玉
Publication date
5 September 1997
Publisher
Abstract
应用原位红外光谱的方法,在反应现场条件下,研究了促进型甲酸甲酯(MF)氢解制甲醇铜铬催化剂上的化学吸附物种.结果表明,在MF氢解反应条件下,工作态催化剂上主要的化学吸附物种和反应中间物种是CH3O-CHO…H-O(a)(1751,2730,1455cm-1)、CH3O-CHO…Cu+(a)(1654,2730,1455cm-1)、CH3O-CHO…Cr3+(a)(1552,2730,1445cm-1)和OCH3(3012,2946,1455cm-1).结合对该催化剂活性位本质的探讨,推断了甲酸甲酯氢解制甲醇的主要反应途径
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Last time updated on 16/06/2016