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改进型铜基甲醇合成催化剂XC209的热稳定性
Authors
戴深峻
杨意泉
+3 more
林仁存
林种玉
魏光
Publication date
5 June 2000
Publisher
Abstract
在 Cu- Zn- Al三组份的 C2 0 7型联醇催化剂中 ,添加 2种适量的过渡金属氧化物研制的XC2 0 9型联醇催化剂 ,经 4 50℃热处理 5h后 ,CO转化率比 C2 0 7型提高 8.6个百分点 .XRD和FTIR表征显示 ,工作态的改进型催化剂表面 Cu+ 活性浓度比 C2 0 7型高 ,热处理后能维持工作表面具有较大的 Cu+ /Cu°比 ,金属间相互作用加强了 ,这与改进型催化剂具有较高的热稳定性密切相关
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Last time updated on 16/06/2016