Nanosized nickel ferrite catalysts for CO2 reforming of methane at low temperature: effect of preparation method and acid-base properties

被引：15

作者：

Benrabaa, R. ^{[1
]}

Boukhlouf, H. ^{[1
]}

Bordes-Richard, E. ^{[2
]}

Vannier, R. N. ^{[2
]}

Barama, A. ^{[1
]}

机构：

[1] USTHB, Fac Chim, Lab Mat Catalyt & Catalyse Chim Organ, BP32, Bab Ezzouar 16111, Alger, Algeria

[2] Univ Lille Nord France, CNRS, Unite Catalyse Chim Solide, UMR 8181, F-59655 Villeneuve Dascq, France

来源：

SCIENTIFIC BASES FOR THE PREPARATION OF HETEROGENEOUS CATALYSTS: PROCEEDINGS OF THE 10TH INTERNATIONAL SYMPOSIUM | 2010年 / 175卷

关键词：

co-precipitation; hydrothermal; NiFe2O4; reforming; methane; NIFE2O4; NANOPARTICLES; OXIDATION; ETHANE;

D O I：

10.1016/S0167-2991(10)75047-3

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Activity and selectivity of nanosized nickel ferrites have been studied for hydrogen and syngas production via the CO2 reforming of methane (DRM). The catalysts were prepared by two different methods: (i) co-precipitation (CP) route using nitrates salts as precursors and (ii) hydrothermal (HT) method using chlorides as starting salts. The materials were characterized by several techniques: HT-XRD, TGA-DTA, XRD, BET, LRS, TPR, SEM. Surface acid-base measurements were performed by 2-propanol decomposition (IPA) and catalysts were tested in DRM reaction. A relationship is established between the method of preparation, the solid structure, the surface acid-base properties and the catalytic activity of iron-nickel solids in DRM reaction. The surface acid-base properties seem to play an important role in DRM reaction.

引用

页码：301 / 304

页数：4

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