| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to bifunctional catalyst for hydrodeparaffinisation process with improved selectivity of isomerisation, as well as to method of its obtaining and to method of hydrodeparaffinisation. Method of catalyst obtaining includes the following stages: (a) preparation of zeolite EU-2 substrate, degree of phase transition of which is controlled in such a way that phase transition index (T) constitutes 50?T<100; (b) filling zeolite EU-2 substrate for hydration with active metal component, (c) drying and burning zeolite EU-2 substrate, filled with metal component. Metal component includes at least one of metals, selected from the group of metals VI and group of metals VIII. Phase transition index is calculated by formula T=(degree of reduction of TGA weight of synthesised EU-2 sample)/(degree of reduction of TGA weight of pure standard EU-2 sample)×100. Degree of reduction of TGA weight of EU-2 sample is measured under conditions of continuing sample heating at temperature from 120 to 550°C at rate of heating 2°C per minute and further exposure at temperature 550°C for 2 h.EFFECT: bifunctional catalyst can be widely applied as catalyst for the process of deparaffinisation of lubricating oils and Diesel fuel.12 cl, 4 dwg, 5 tbl, 5 ex |
