Physico-chemical properties and syngas production via dry reforming of methane over NiAl2O4 catalyst

被引：66

作者：

Benrabaa, Rafik ^{[1
,2
]}

Barama, Akita ^{[1
]}

Boukhlouf, Hamza ^{[1
,3
]}

Guerrero-Caballero, Jesus ^{[4
]}

Rubbens, Annick ^{[4
]}

Bordes-Richard, Elisabeth ^{[4
]}

Lofberg, Axel ^{[4
]}

Vannier, Rose-Noelle ^{[4
]}

机构：

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

[2] Univ 20 Aout Skikda, Fac Technol, Dept Petrochim & Genie Proc, BP 26,Route Al Hadaiek, Skikda 21000, Alger, Algeria

[3] Sonatrach, IAP, Skikda 21101, Alger, Algeria

[4] Univ Artois, Univ Lille, CNRS, Cent Lille,ENSCL,UMR 8181,UCCS, F-59000 Lille, France

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 18期

关键词：

Spinel structure; NiAl2O4; Dry reforming of methane; HTXRD; MG-AL HYDROTALCITE; NI CATALYSTS; PARTIAL OXIDATION; NICKEL-CATALYSTS; NI/AL2O3; CATALYSTS; ALUMINATE SPINELS; SYNTHESIS GAS; CO2; CH4; ISOPROPANOL;

D O I：

10.1016/j.ijhydene.2017.04.030

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Nano-particles of NiAl2O4 were prepared by co-precipitation and their bulk and surface were characterized by XRD, Raman spectroscopy, N-2-adsorption-desorption analysis, SEMEDS and XPS. The reducibility was studied by TPR and HTXRD techniques under H-2 atmosphere. The synthetized catalyst was made of NiAl2O4 spinel oxide as main phase and of NiO (10%) free oxide. Interestingly, it was shown that the surface was richer in Al species. The catalytic performances in methane dry reforming were evaluated without H2 pretreatment of catalyst. A very high activity was observed with conversion of methane and CO2 at 750 degrees C of 84 and 90 mol%, respectively and high H-2/CO ratio. The amount of coke deposited during the reaction on this spinel was similar to 3.6%. The physico-chemical properties of the catalyst on their behavior in the dry reforming of methane are discussed. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：12989 / 12996

页数：8

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