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Studies of Catalytic Properties of Inorganic Rock Matrices in Redox Reactions

Journal of Sustainable Development of Energy, Water and Environment Systems
Volume 5, Issue 3, pp 408-416
DOI: http://dx.doi.org/10.13044/j.sdewes.d5.0151
Nikolay M. Dobrynkin , Marina V. Batygina, Alexander S. Noskov
Department of Catalytic Process Engineering, Boreskov Institute of Catalysis, pr. Lavrentieva 5, Novosibirsk, Russia

Intrinsic catalytic properties of mineral matrices of various kinds (basalts, clays, sandstones) were studied, which are of interest for in-situ heavy oil upgrading (i.e., underground) to create advanced technologies for enhanced oil recovery. The elemental, surface and phase composition and matrix particle morphology, surface and acidic properties were studied using elemental analysis, X-ray diffraction, adsorption and desorption of nitrogen and ammonia. The data on the catalytic activity of inorganic matrices in ammonium nitrate decomposition (reaction with a large gassing), oxidation of hydrocarbons and carbon monoxide, and hydrocracking of asphaltenes into maltenes (the conversion of heavy hydrocarbons into more valuable light hydrocarbons) were discussed. In order to check their applicability for the asphaltenes hydrocracking catalytic systems development, basalt and clay matrices were used as supports for iron/basalt, nickel/basalt and iron/clay catalysts. The catalytic activity of the matrices in the reactions of the decomposition of ammonium nitrate, oxidation of hydrocarbons and carbon monoxide, and hydrocracking of asphaltens was observed for the first time.

Keywords: Oil-bearing rock matrices, Oil production stimulation, High-viscosity oil, Asphaltenes, Hydrocracking, Decomposition of ammonium nitrate, Catalytic processes in-situ.

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