Journal
CATALYSTS
Volume 11, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/catal11050592
Keywords
fixed-bed reactor; nanoparticles; carbon dioxide; methanol
Categories
Funding
- Higher Education Commission of Pakistan [20-1604/RD/HEC/092198, 20-189/NRPU/RD/HEC116806]
- Pakistan Science Foundation [PSF/Res/FUM/Chem (434)]
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A specific fixed-bed reactor was designed to efficiently use magnetic nanoparticles for the hydrogenation of CO2 to produce valuable products. Magnetic nanoparticles were prepared using coprecipitation method with desired modification, and multiple finger-shaped reaction cores were used to increase efficiency. The self-designed reactor achieved 74% efficiency in the direct catalytic hydrogenation of CO2 to produce valuable organic products such as methanol.
A specific finger-projected fixed-bed reactor (FPFBR) was designed to efficiently utilize magnetic nanoparticles (MnFe2O4/Bi-MnFe2O4) for a model reaction (hydrogenation of a greenhouse gas, CO2, to valuable products: VPs). Coprecipitation method, with desired modification was used for the preparation of magnetic nanoparticles (MNPs) with controlled shape and size. Eighteen fingers in a single chamber were designed in the fixed-bed reactor's skeleton; each finger worked as an independent reaction core. Controlled flow of hydrogen and CO2 was continuously provided to preheated reaction cores (catalyst beds) from saturator. One of the major products methanol {(%: Conv, 22/Sel 61)} among VPs was identified and quantified by GC. The efficiency of self-designed reactor was 74% for the direct catalytic hydrogenation of CO2 to valuable organic products.
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