New precursor for the post-synthesis preparation of Fe-ZSM-5 zeolites with low iron content

被引：0
|
作者：
Mircea-Teodor Nechita
Gloria Berlier
Gabriele Ricchiardi
Silvia Bordiga
Adriano Zecchina
机构：
[1] Technical University ‘‘Gh. Asachi’’ Iasi,Faculty of Industrial Chemistry
[2] Università di Torino,Dipartimento di Chimica Inorganica, Chimica Fisica e Chimica dei Materiali
[3] University of Torino,Centre of Excellence
来源：
Catalysis Letters | 2005年 / 103卷
关键词：
Fe-ZSM-5; Iron(III) oxalate; aqueous exchange; FTIR spectroscopy; Fe(NO); complexes;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new method for preparing ZSM-5 catalysts containing highly dispersed iron species is presented. Iron(III) oxalate was used as the iron precursor in an aerobic aqueous exchange process. The presence of different iron species inside the zeolite pores was investigated by IR spectroscopy of adsorbed NO, which revealed an excellent iron dispersion. The results were compared with those obtained on a Fe-ZSM-5 catalysts prepared by iron(II) chloride sublimation and on samples prepared by controlled migration of framework iron in isomorphously substituted samples.
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页码：33 / 41
页数：8
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