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Promotion effect of iron on Mo/Al2O3 catalyst for the CAMERE process

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Author(s): Abolfazl Gharibi Kharaji | Ahmad Shariati

Journal: Advances in Environmental Sciences
ISSN 2066-7620

Volume: 4;
Issue: 2;
Start page: 106;
Date: 2012;
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Keywords: RWGS reaction | Fe-Mo-Al2O3 catalyst | methanol process | greenhouse gases

ABSTRACT
Reverse Water Gas Shift (RWGS) reaction is one of the main reactions that can be used toreduce greenhouse gases emissions. Through this reaction CO2 is converted to CO to produce beneficialchemicals such as methanol. In this paper Mo-Al2O3 catalyst was prepared and then promoted with Feions through co-impregnation method to produce Fe-Mo-Al2O3 catalyst. XRD tests were taken todetermine the structure of the catalysts. Activity, selectivity and stability of both catalysts wereinvestigated in a batch reactor and the results indicate that addition of Fe promoter to Mo-Al2O3 catalystincreased its activity and CO selectivity. Fe-Mo-Al2O3 showed acceptable catalytic stability during RWGSreaction. As a whole, Fe-Mo-Al2O3 can be a suitable candidate for RWGS reaction in CAMERE (carbondioxide hydrogenation to form methanol via a reverse-water-gas-shift reaction) process.
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