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Article
Catalytic properties of copper chromite ferrites in water gas shift reaction and hydrogen oxidation
The catalytic properties of a series of copper chromite ferrite samples with the composition CuCr2–x Fe x O4 (where x = 0–2) and a spinel-type str...
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Article
New approaches to the preparation of highly efficient chromium-containing oxide catalysts for the water gas shift reaction
It was found experimentally that the solutions of Cr3+ nitrate and the nitrates of other metals that are the constituents of Cr-containing catalysts can be prepared by dissolving a corresponding metal (for exampl...
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Article
Structure of the active component and catalytic properties of catalysts prepared by the reduction of layered nickel aluminosilicates
The reduction of Ni-Mg aluminosilicates with the amesite structure was studied using thermogravimetry, high-resolution electron microscopy, XPS, and XRD. It was found that the reduction with hydrogen at 920 K ...
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Article
Copper ions distribution in synthetic copper-zinc hydrosilicate
Copper ions distribution in the structure of synthetic copper-zinc hydrosilicate of zincsilite structure, obtained non-hydrothermal synthesis have been studied. Zinesilite is referred to the layered silicates ...
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Article
Non-hydrothermal synthesis of copper-, zinc- and copper-zinc hydrosilicates
Cu/SiO2, Zn/SiO2 and Cu-Zn/SiO2 samples have been prepared by the homogeneous deposition-precipitation method. The samples were analyzed by thermal analysis, X-ray diffraction and infrared spectroscopy after vari...
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Article
Evolution of the structure of Co stevensite during its treatment in the air, inert gas flow and flowing hydrogen
Synthetic TOT (2 tetrahedron layers,1 octahedron layer) trioctahedral hydrosilicates (stevensites) of Zn, Mg, Co and Co-Zn were prepared by the deposition–precipitation technique. The evolution of both the str...
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Article
Physico-chemical studies of the temperature range for the formation of anion-modified oxides
The effect of metal ions on the temperature range for the exstence of anion-modified oxides formed during the formation of Mg and Zn oxides and solid solutions of Cu, Al, Cr and Ni ions in these oxides through...