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mgal2o4-spinel
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A two step Microwave-assisted coke resistant mesoporous Ni-Co catalyst for methane steam reforming
, Article Fuel ; Volume 317 , 2022 ; 00162361 (ISSN) ; Sadrnezhaad, S. K ; Sharif University of Technology
Elsevier Ltd
2022
Abstract
Methane steam reforming (MSR) is an assuring reaction using steam to produce H2 as clean energy over a nicκel-based catalyst. We synthesized mesoporous monometallic NiMgAl2O4 and bimetallic NiCoMgAl2O4 catalysts in a two-step combustion method using a mix of fuels and powder metallurgy. BET-BJH, XRD, TGA, TPR, FESEM, and EDX-mapping characterized surface area, porosity, morphology, crystalline structure, and metal-support interaction behavior. The products exhibited strong interaction of well-structured MgAl2O4 spinel with NiO, in both specimens. The MSR evaluation tests at 750 °C under atmospheric pressure, CH4:H2O feed ratio of 1:1.2 showed the bimetallic catalyst has the highest...