CH<sub>4</sub> oxidation to oxygenates with N<sub>2</sub>O over iron-containing Y zeolites: Effect of preparation

Jing Zhu; Lisong Fan; Lina Song; Fengqiu Chen; Dangguo Cheng

doi:10.1016/j.cjche.2018.05.021

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CH₄ oxidation to oxygenates with N₂O over iron-containing Y zeolites: Effect of preparation

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- CH₄ oxidation to oxygenates with N₂O over iron-containing Y zeolites: Effect of preparation
- CH₄ oxidation to oxygenates with N₂O over iron-containing Y zeolites: Effect of preparation
- 中国化学工程学报（英文版） 2018年26卷第10期页码：2064-2069
- Affiliations：
  
  Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University,Hangzhou,China,310027
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.05.021
  中图分类号：
- 纸质出版：2018
- Accepted：
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Jing Zhu, Lisong Fan, Lina Song, 等. CH₄ oxidation to oxygenates with N₂O over iron-containing Y zeolites: Effect of preparation[J]. 中国化学工程学报（英文版）, 2018,26(10):2064-2069. DOI: 10.1016/j.cjche.2018.05.021.

oxidation to oxygenates with N
Jing Zhu, Lisong Fan, Lina Song, 等. CH₄ oxidation to oxygenates with N₂O over iron-containing Y zeolites: Effect of preparation[J]. 中国化学工程学报（英文版）, 2018,26(10):2064-2069. DOI: 10.1016/j.cjche.2018.05.021. DOI：

oxidation to oxygenates with N DOI： 10.1016/j.cjche.2018.05.021.

摘要

Abstract

Developing effective iron-incorporated zeolites and determining their active centers for the direct oxidation of CH

to oxygenates have remained challenging topics so far. In this paper

we successfully prepare the highly-dispersed iron supported Y zeolites by a facile solid-state ion-exchange method with ferrocene

which was conducted under water-free conditions followed by a series of calcination. Moreover

extra-framework dinuclear Fe

complexes are identified as so-called active α-iron sites on zeolites. ICP-OES

adsorption-desorption test

X-ray diffraction

solid-state

Al NMR

O titration

TEM

EPR and

Fe Mössbauer spectra were carried out to characterize properties of sample structure

acid sites

as well as the supported iron species. Characterization results indicate that high-temperature treatments have no effect on the typical structure feature of zeolites. Compared with catalysts synthesized by conventional impregnation

the samples prepared by the facile approach possess abundant dinuclear Fe

complexes but no Fe

bulks and show weak

acidity. These lead to a higher oxygenate selectivity in CH

oxidation to oxygenates. Remarkably

the oxygenate (HCHO and CH

OH) selectivity of 6.5% at 375℃ can be eventually obtained.

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CH4 oxidation to oxygenates with N2O over iron-containing Y zeolites: Effect of preparation

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DOI：10.1016/j.cjche.2018.05.021

摘要

Abstract

关键词

Keywords

references

CH₄ oxidation to oxygenates with N₂O over iron-containing Y zeolites: Effect of preparation

CH₄ oxidation to oxygenates with N₂O over iron-containing Y zeolites: Effect of preparation