Abstract
XRD, mercury porosimetry, low-temperature nitrogen adsorption and electron microscopy were used to study peculiarities of the formation of reinforced composite nickel catalysts. The catalysts were prepared by sintering powdered metallic nickel with a supported nickel catalyst (GIAP-3 or NIAP-18) applied to a reinforcing stainless steel gauze. It was found that a metal matrix, in the pores of which supported catalyst particles were distributed, was formed in the composite catalysts. The NIAP-18-based catalyst exceeded the GIAP-3-based catalyst in activity toward the methane steam reforming. The NIAP-18-based catalyst was as active as the Cr2O3-doped NIAP-18-based catalyst, but showed a worse coke-resistance. A chromium oxide additive increased the activity of the GIAP-3-based catalyst.
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The authors are grateful to N.A. Rudina, N.F. Saputina and T.Ya. Efimenko for assistance.
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Sabirova, Z.A., Danilova, M.M., Kuzin, N.A. et al. Reinforced nickel catalysts for steam reforming of methane to synthesis gas. React Kinet Catal Lett 97, 363–370 (2009). https://doi.org/10.1007/s11144-009-0042-0
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DOI: https://doi.org/10.1007/s11144-009-0042-0