NICKEL CATALYSTS OF HYDRATION, METHOD FOR OBTAINING SAME AND USE THEREOF Russian patent published in 2008 - IPC B01J23/755 B01J21/04 B01J37/02 C07C5/08 C07C5/09 B01J23/80 B01J23/78 B01J23/843 B01J23/89 B01J23/88 B01J23/883 

FIELD: chemistry.

SUBSTANCE: claimed invention relates to catalysts of hydration, method of their production and use for hydration such as selective hydration of acetylene admixtures in non-purified olefinic and diolefiniuc flows. Described is a selective catalyst of hydration for selective hydration of acetylene admixtures in non-purified olefinic and diolefinic flows, containing only nickel or nickel and one or more elements chosen from the group consisting of Cu, Re, Pd, Zn, Mg, Mo, Ca and Bi, applied on carrier, which is alumunium oxide with the following physical characteristics: BET surface area from 30 to approximately 100 m²/g, total volume of pores on nitrogen from 0.4 to approximately 0.9 cm³/g and the average pore diameter from approximately 110 to 450 Å , where the said catalyst contains from approximately 4 to approximately 20 weight % of nickel. Described are the method of catalyst production, which includes impregnation of carrier represented by aluminium oxide and having the aforesaid physical characteristics, with soluble salts of only nickel or nickel and one or more elements chosen from the group consisting of Cu, Re, Pd, Zn, Mg, Mo, Ca and Bi, from one or more solutions, obtaining impregnated carrier, where the said catalyst contains from approximately 4 to approximately 20 weight % of nickel. Also described is the method of selective hydration of acetylene compounds, which includes contact of original raw material containing acetylene compounds and other unsaturated compounds, with the described above catalyst.

EFFECT: increased degree of 1,3-butadien extraction with full or nearly full conversion of C4-acetylenes.

25 cl, 1 dwg, 1 tbl, 2 ex