Abstract
Steel/TiO2/titanium composite membranes have been prepared by magnetron sputtering. The structure of the membrane substrate and that of the selective layers have been studied by scanning electron microscopy. It has been shown that membrane pores from 10 to 150 nm can be obtained by controlling the thickness of the deposited layer. It has been found that the adhesion of the ceramic and metal selective layers to the substrate is 0 according to the GOST 31149-2014 (ISO 2409:2013) classification. The steel/TiO2/titanium composite membranes possess high selectivity for high-molecular-weight substances and model suspended particles, with the flux of the membranes being on the order of 100 L/(m2 h bar) at a deposited-layer thickness of 1.5 μm.
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Original Russian Text © V.S. Mitin, V.I. Novikov, A.I. Sharapaev, A.G. Muradova, 2016, published in Membrany i Membrannye Tekhnologii, 2016, Vol. 6, No. 3, pp. 243–248.
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Mitin, V.S., Novikov, V.I., Sharapaev, A.I. et al. Preparation of steel/titanium dioxide/titanium three-layer composite membranes. Pet. Chem. 56, 915–919 (2016). https://doi.org/10.1134/S0965544116100066
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DOI: https://doi.org/10.1134/S0965544116100066