FIELD: chemical engineering. SUBSTANCE: support is treated with overheated steam at 110-150 C for a period of time required to fully or partially replace the pore air followed by immersion of the heated support into an ambient temperature impregnating solution of a catalytically active substance. The support is kept in the solution until a preset bulk of the solution is absorbed. EFFECT: impregnated layer of variable configuration and impregnation depth with the active substance uniformly spread over the support.
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