Title :

Self-regeneration of cobalt and nickel catalysts promoted with bismuth for non-deactivating performance in carbon monoxide hydrogenation

Author(s) :

Gu, Bang [Auteur]
Bahri, Mounib [Auteur]
Ersen, Ovidiu [Auteur]
Khodakov, Andrei [Auteur]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Ordomsky, Vitaly [Auteur]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181

Journal title :

ACS Catalysis

Abbreviated title :

ACS Catal.

Volume number :

9

Pages :

991-1000

Publication date :

2019-02-01

ISSN :

2155-5435

Keyword(s) :

deactivation
sintering
coke
nickel
cobalt
methanation
Fischer-Tropsch
CO hydrogenation

HAL domain(s) :

Chimie/Catalyse

English abstract : [en]

Carbon monoxide hydrogenation over Co and Ni catalysts has provided important opportunities to store energy and to manufacture alternative renewable transportation fuels. Catalyst deactivation is one of the most serious ...
Show more >Carbon monoxide hydrogenation over Co and Ni catalysts has provided important opportunities to store energy and to manufacture alternative renewable transportation fuels. Catalyst deactivation is one of the most serious issues restricting application of this reaction. Hereby, we propose a simple and efficient way to enhance the stability of supported cobalt and nickel catalysts via their promotion with bismuth. In the promoted catalysts, bismuth is localized at the interface between metal nanoparticles and the support covering the Co and Ni surface. Bismuth oxidation–reduction cycling during carbon monoxide hydrogenation results in the removal of deposited carbon and catalyst self-regeneration. Formation of the bismuth layer at the metal nanoparticles’ surface protects them against sintering.Show less >

Language :

Anglais

Audience :

Internationale

Popular science :

Non

Administrative institution(s) :

CNRS
Centrale Lille
ENSCL
Univ. Artois
Université de Lille

Collections :

• Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181

Research team(s) :

Catalyse pour l’énergie et la synthèse de molécules plateforme (CEMOP)

Submission date :

2022-03-02T07:13:45Z
2024-01-16T09:17:09Z