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Coprecipitated Ni‐Co Bimetallic Nanocatalysts for Methane Dry Reforming
Author(s) -
Mirzaei Fateme,
Rezaei Mehran,
Meshkani Fereshsteh
Publication year - 2014
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.201300729
Subject(s) - coprecipitation , nanomaterial based catalyst , bimetallic strip , carbon dioxide reforming , crystallite , catalysis , methane , temperature programmed reduction , bet theory , materials science , adsorption , chemical engineering , desorption , chemistry , inorganic chemistry , syngas , metallurgy , organic chemistry , engineering
Methane dry reforming was studied over nanostructure bimetallic Ni‐Co‐MgO catalysts. The catalysts were prepared by coprecipitation with different Ni‐Co contents and characterized by XRD, BET, N 2 adsorption/desorption, temperature‐programmed reduction (TPR), SEM, and temperature‐programmed oxidation (TPO) techniques. XRD results let conclude that all samples contained MgO crystallite phases. With a higher Ni content the intensity of the diffraction peaks became stronger, indicating growth of the crystallite size of the prepared solid solutions. BET analysis demonstrated that a higher Ni‐Co content decreased the surface area. The optimal catalyst could be determined which had the highest activity and a good stability in dry reforming reaction.
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