Effect of Extra-Framework Titanium in TS-1 on the Ammoximation of Cyclohexanone

被引：0
|
作者：
Yaquan Wang [1 ]
Shuhai Wang [1 ]
Teng Zhang [1 ]
Jiaxin Ye [1 ]
Xiao Wang [1 ]
Dali Wang [2 ]
机构：
[1] Key Laboratory for Green Chemical Technology of the Ministry of Education,School of Chemical Engineering and Technology,Tianjin University
[2] Tianjin Synthetic Fiber Company
来源：
Transactions of Tianjin University | 2017年 / 23卷 / 03期
基金：
中国国家自然科学基金;
关键词：
TS-1; Cyclohexanone; Ammoximation; Cyclohexanone oxime; TiO2;
D O I：
暂无
中图分类号：
TQ426 [催化剂（触媒）];
学科分类号：
080502 ; 081705 ;
摘要：
Titanium silicalite (TS-1) without and with extra-framework titanium have been prepared and TiO2is also prepared under the same conditions.All the samples are characterized with XRD,FT-IR,and UV–Vis.The effects of extra-framework titanium in TS-1 on the ammoximation of cyclohexanone have been studied in a continuous slurry reactor.The characterization results reveal that the extra-framework titanium exists as anatase.The catalytic evaluation results show that the anatase has a positive effect on the ammoximation of cyclohexanone by extending the catalytic life because it also exhibits some activity,while the conversion of cyclohexanone and the selectivity to cyclohexanone oxime are not influenced.The anatase TiO2does not catalyze H2O2decomposition appreciably compared with TS-1 without extra-framework titanium.The results are very useful in guiding the TS-1 production.
引用
收藏
页码：230 / 236
页数：7
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