COMPARATIVE STUDY OF LaNiO3 AND La2NiO4 CATALYSTS FOR PARTIAL OXIDATION OF METHANE

被引：20

作者：

Guo, Cuili ^{[1
]}

Zhang, Jinli ^{[1
]}

Zhang, Xiaoling ^{[1
]}

机构：

[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China

来源：

REACTION KINETICS AND CATALYSIS LETTERS | 2008年 / 95卷 / 01期

关键词：

La2NiO4; LaNiO3; partial oxidation of methane; carbon deposition;

D O I：

10.1007/s11144-008-5292-8

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：

The catalytic activity and stability of LaNiO3 and La2NiO4, prepared using a citric acid complex method, have been investigated for partial oxidation of methane (POM) to synthesis gas. The catalysts were characterized by thermo-gravimetric analysis (TG), temperature-programmed reduction (TPR) and temperature-programmed desorption of ammonia (NH3-TPD). The results show that the catalytic activity and stability of La2NiO4 are higher than those of LaNiO3, due to the stronger interactions between Ni and La2O3 in La2NiO4 and to its lower acidity as demonstrated by TPR and NH3-TPD. TG result indicates that carbon deposition occurs on both catalysts, and the carbon species deposited on La2NiO4 are mainly metal carbides, while on LaNiO3 are mainly graphite.

引用

页码：89 / 97

页数：9

共 16 条

[1] Support effect in supported Ni catalysts on their performance for methane partial oxidation [J].

Barbero, J ;

Peña, MA ;

Campos-Martin, JM ;

Fierro, JLG ;

Arias, PL .

CATALYSIS LETTERS, 2003, 87 (3-4) :211-218

[2] Oxidative conversion of methane to syngas over LaNiO3 perovskite with or without simultaneous steam and CO2 reforming reactions: Influence of partial substitution of La and Ni [J].

Choudhary, VR ;

Uphade, BS ;

Belhekar, AA .

JOURNAL OF CATALYSIS, 1996, 163 (02) :312-318

[3] Beneficial effects of cobalt addition to Ni-catalysts for oxidative conversion of methane to syngas [J].

Choudhary, VR ;

Rane, VH ;

Rajput, AM .

APPLIED CATALYSIS A-GENERAL, 1997, 162 (1-2) :235-238

[4] PARTIAL OXIDATION OF METHANE TO CARBON-MONOXIDE AND HYDROGEN OVER A NI/AL2O3 CATALYST [J].

DISSANAYAKE, D ;

ROSYNEK, MP ;

KHARAS, KCC ;

LUNSFORD, JH .

JOURNAL OF CATALYSIS, 1991, 132 (01) :117-127

[5] Partial oxidation of methane to synthesis gas at very short contact times [J].

Fathi, M ;

Hofstad, KH ;

Sperle, T ;

Rokstad, OA ;

Holmen, A .

CATALYSIS TODAY, 1998, 42 (03) :205-209

[6] Preparation of La2NiO4 catalyst and catalytic performance for partial oxidation of methane [J].

Guo, Cuili ;

Zhang, Xiaoling ;

Zhang, Jinli ;

Wang, Yiping .

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2007, 269 (1-2) :254-259

[7]

Hofstad KH, 1998, CATAL TODAY, V40, P157

[8]

Li W.Y., 1997, J FUEL CHEM TECHNOL, V25, P460

[9] Carbon deposition and catalyst stability over La2NiO4/γ-Al2O3 during CO2 reforming of methane to syngas [J].

Liu, BS ;

Au, CT .

APPLIED CATALYSIS A-GENERAL, 2003, 244 (01) :181-195

[10] Sol-gel-generated La2NiO4 for CH4/CO2 reforming [J].

Liu, BS ;

Au, CT .

CATALYSIS LETTERS, 2003, 85 (3-4) :165-170

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