Nickel-based catalysts for synthesizing methyl isobutyl ketone and by-producing isopropanol
A methyl isobutyl ketone, nickel-based catalyst technology, applied in heterogeneous catalyst chemical elements, physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, etc., can solve problems such as single product , to achieve the effect of simple preparation process, increased anti-loss ability and low cost
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Embodiment 1
[0035] In a beaker, 148.6 grams of nickel nitrate, 204.7 grams of zinc nitrate, 13.9 grams of cerium nitrate and 3.4 grams of boric acid were dissolved in 860 grams of water to make aqueous solution I. Under stirring and at 70°C, titrate to the reaction solution with 30wt% sodium carbonate aqueous solution The pH value is 7.0. Then add 295 grams of pseudo-boehmite powder. Pseudoboehmite is produced by Jiangsu Sanji Industrial Co., Ltd., with a specific surface area of 306m 2 / g, the pore volume is 1.08mL / g.
[0036] Then aged at 75° C. for 3 hours, then suction filtered and washed until the sodium ion content was lower than 0.05%. The wet filter cake was dried, granulated, and then roasted and decomposed at 420°C. Finally, it is sliced into granules, and the particle size is
[0037] Then, the catalyst was reduced with hydrogen in a temperature-programmed manner, and the highest reduction temperature was 480°C. Constant temperature reduction at 480°C for 2 hours. A...
Embodiment 2
[0042] In a beaker, 89.1 grams of nickel nitrate, 136.5 grams of zinc nitrate, 32.5 grams of cerium nitrate and 1.7 grams of boric acid were dissolved in 600 grams of water to make aqueous solution I. Under stirring and at 75°C, titrate to the reaction solution with 30wt% sodium carbonate aqueous solution The pH value is 7.5. Then add 330 grams of pseudo-boehmite powder. Pseudoboehmite is produced by Jiangsu Sanji Industrial Co., Ltd., with a specific surface area of 290m 2 / g, the pore volume is 0.99mL / g.
[0043] Then aged at 75° C. for 3 hours, then suction filtered and washed until the sodium ion content was lower than 0.05%. The wet filter cake is dried, granulated, and then roasted and decomposed at 380°C. Finally, it is sliced into granules, and the particle size is
[0044] Then, the catalyst was reduced with hydrogen in a temperature-programmed manner, and the highest reduction temperature was 450°C. Constant temperature reduction at 450°C for 2 hours. Aft...
Embodiment 3
[0047] In a beaker, 178.3 grams of nickel nitrate, 109.2 grams of zinc nitrate, 8.4 grams of cerium nitrate and 34.3 grams of boric acid were dissolved in 770 grams of water to make aqueous solution I, which was titrated to the reaction solution with stirring and at 75°C. The pH value is 7.2. Then add 302 grams of pseudo-boehmite powder. Pseudoboehmite is produced by Jiangsu Sanji Industrial Co., Ltd., with a specific surface area of 275m 2 / g, the pore volume is 1.12mL / g.
[0048] Then aged at 75° C. for 3 hours, then suction filtered and washed until the sodium ion content was lower than 0.05%. The wet filter cake is dried, granulated, and then roasted and decomposed at 360°C. Finally, it is sliced into granules, and the particle size is
[0049] Then, the catalyst was reduced with hydrogen in a temperature-programmed manner, and the highest reduction temperature was 450°C. Constant temperature reduction at 450°C for 4 hours. After cooling down, the catalyst of t...
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