2020
DOI: 10.18321/ectj978
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Effect of Cobalt Oxide Content on the Activity of NiO-Co2O3/γ-Al2O3 Catalyst in the Reaction of Dry Reforming of Methane to Synthesis Gas

Abstract: The effect of cobalt oxide content on the activity of NiO-Co2O3/γ-Al2O3 catalyst was investigated in process of dry reforming of methane (DRM) to synthesis gas. It was found that among the studied catalysts the highest activity is shown by the NiO-Co2O3/ γ-Al2O3, where methane conversion is 89%. It was determined by the scanning electron microscopy (SEM) and X-ray diffraction analysis (XRD) there are oxides of Ni and Co in the form of nanosized particles on active NiO-Co2O3/γ-Al2O3 catalyst and Co-Ni alloys, f… Show more

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Cited by 5 publications
(2 citation statements)
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“…In addition, methane cracking equation (3) and CO disproportion equation (4) can lead to carbon deposition on the catalyst surface. Once an excess of encapsulated carbon is formed, the active sites may be heavily encapsulated, thereby deactivating the catalyst [34] …”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…In addition, methane cracking equation (3) and CO disproportion equation (4) can lead to carbon deposition on the catalyst surface. Once an excess of encapsulated carbon is formed, the active sites may be heavily encapsulated, thereby deactivating the catalyst [34] …”
Section: Resultsmentioning
confidence: 99%
“…Once an excess of encapsulated carbon is formed, the active sites may be heavily encapsulated, thereby deactivating the catalyst. [34] From the activity tests, it can be inferred that the oleic acid assisted method further promotes the dispersity of the Ni active components in the Ni-Co-oa/VSiO 2 bimetallic catalyst to obtain more Ni active sites, significantly improving its catalytic activity in the methane reforming reaction. [35] As shown in Figure 6, the conversion of Co-oa/VSiO 2 and Ni-im/VSiO 2 was much lower than other three catalysts after 360 min test.…”
Section: Reactivity Testmentioning
confidence: 99%