INORGANIC OXIDES WITH MESOPOROSITY OR MIXED MESO- AND MICROPOROSITY, AND A METHOD FOR PREPARATION THEREOF Russian patent published in 2005 - IPC

FIELD: catalyst manufacture methods.

SUBSTANCE: invention relates to preparing catalyst carriers for use in chemical industry. Mixture containing water, inorganic oxide source, and a compound capable of binding to inorganic oxide source through hydrogen bonds, is first prepared, then heated to moiling temperature of water to evaporate water and volatile organics, after which calcined at temperature above 300°C. Inorganic oxide source is chosen from tetraethyl ortho-silicate, fumigated silica, sodium silicate, and silica gel. Compound capable of binding to inorganic oxide source can be chosen from triethanolamine, sulfolan, tetraethylenepentamine, diethyl glycol dibenzoate, glycerol, diethyleneglycol, triethyleneglycol, and tetraethyleneglycol. Mixture may further contain an agent to form micropores, for example, quaternary ammonium salt and source of ions selected from the following groups of elements: IVAm IVB, VB, VIB, VIIB, VIII, IB, IIB, IIA, and IIA, as well as crystalline zeolite with particle size from 5 to 15000 nm. Inorganic oxide is characterized with BET surface area 50 to 1250 m²/g. Resulting oxide contains mesopores and micropores in amount 3 to 60% of the total pore volume. Summary volume of micro- and mesopores equals 0.3 to 2.2 ml/g. A part of micropores has crystalline structure.

EFFECT: optimized composition of carrier and preparation procedure.

21 cl, 11 dwg, 1 tbl, 8 ex