A kind of deoxidation catalyst and its preparation method and application
A deoxidation catalyst, catalyst technology, applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc., can solve problems such as high energy consumption
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Embodiment 1
[0021] Preparation of modified silica: by impregnation method silicon oxide (commercially available, the following properties: specific surface area of 335m 2 / G, pore volume of 0.86ml / g) was immersed Nd nitrate, nickel nitrate aqueous solution of Nd, Ni molar concentration of metal ions was 0.5mol / L, after impregnation by drying, calcining, drying time of the IH, dried temperature of 100 deg.] C; the roasting time 2h, the temperature is 900 deg.] C;
[0022] Preparation of silica supported cobalt: by impregnation drying method, a solution of cobalt nitrate impregnation after calcination, is impregnated on a modified silica, the drying time was 2h, the drying temperature is 130 ℃; the roasting time 4h, the temperature to 400 deg.] C;
[0023] The silica supported cobalt and zirconium sulfate type shape into mixed, dried and calcined to obtain the deoxygenation catalyst, the drying time of 4h, a drying temperature of 100 deg.] C; the roasting time 6h, temperature of 400 ℃. S...
Embodiment 2
[0026] Preparation of modified silica: by impregnation method silicon oxide (commercially available, the following properties: specific surface area of 335m 2 / G, pore volume of 0.86ml / g) was immersed Nd nitrate, nickel nitrate aqueous solution of Nd, Ni molar concentration of metal ions was 1.5mol / L, after impregnation by drying, calcining, the drying time was 2h, dried temperature of 100 deg.] C; the roasting time 8h, temperature of 700 deg.] C;
[0027] Preparation of silica supported cobalt: by impregnation drying method, the impregnation of cobalt sulfate solution after calcination, is impregnated on a modified silica, the drying time was 3h, the drying temperature is 120 deg.] C; the roasting time 5h, temperature to 450 deg.] C;
[0028] The silica supported cobalt and zirconium sulfate type shape into mixed, dried and calcined to obtain the deoxygenation catalyst, the drying time of 4h, a drying temperature of 100 deg.] C; the roasting time 6h, temperature of 400 ℃. ...
Embodiment 3
[0031] Preparation of modified silicon oxide: using an equal volume impregnation method in silica (commercially available goods, the nature is as follows: specific surface 335m 2 / g, the hole is 0.86 mL / g) impregnated nd, nickel nickel nickel solution, ND in solution, and nickel metal ions were 1 mol / L, dried after immersion, and the drying time was 0.5 h, drying The temperature is 130 ° C; the calcination time is 5 h, the temperature is 800 ° C;
[0032] The silicon oxide silicon oxide was prepared: the hydrominated cobalt bromide solution was impregnated with an equal volume impregnation method, and dried, calcined, and the drying time was 4 h, the drying temperature was 100 ° C; the baking time is 4h, The temperature is 500 ° C;
[0033] The silicon oxide of the preparation of cobalt is prepared: the hydraulous sulfate solution is impregnated on the modified silicon oxide, and drying, the drying time is 3 h, the drying temperature is 120 ° C; the drying time is 5 h, temper...
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