The possibility of obtaining nanofiltration membranes by applying metal oxide nanopowders on ceramic substrates with macropores is considered. As a selective layer, we chose nanopowders of titanium, aluminum, and magnesium oxides obtained by the plasma thermal method. Analysis of the initial powders, as well as the coatings after deposition, was carried out by scanning electron and atomic force microscopy. The technology of obtaining selective layers on ceramic substrates is described. A study of the characteristics of the obtained nanofiltration membranes was carried out in a laboratory setup for the desalination process.
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