Catalyst for co-producing 4-methyl-2-pentanone and 4-methyl-2-pentanol through one-step method
A catalyst and methyl technology, which is applied in the field of catalysts for co-production of 4-methyl-2-pentanone and 4-methyl-2-pentanol, can solve the problem of inability to produce or by-produce 4-methyl-2-pentanol. problems such as amyl alcohol to achieve low-cost effects
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Embodiment 1
[0041] 58.2 grams of copper nitrate, 57 grams of magnesium nitrate and 36.3 grams of cerium nitrate were dissolved in 350 grams of water in a beaker to prepare aqueous solution I. In another beaker, 29 grams of ammonium dichromate was dissolved in 68 grams of water to make aqueous solution II. With stirring and a solution temperature of 70° C., the ammonium dichromate aqueous solution II was poured into the beaker of the aqueous solution I, and then titrated with 30 wt % sodium carbonate aqueous solution until the pH value of the reaction solution was 7.0. Then add 357 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 0.9mL / g.
[0042] Then aged at 75° C. for 4 hours, then suction filtered and washed until the sodium ion content was lower than 0.05%.
[0043] Dry, granulate, and then decompose by roasting at 350°C. Finally, it is sliced into granules, and the ...
Embodiment 2
[0049] 168.9 grams of copper nitrate, 1.9 grams of magnesium nitrate and 18.6 grams of cerium nitrate were dissolved in 442 grams of water in a beaker to prepare aqueous solution I. In another beaker, 215.3 grams of ammonium dichromate was dissolved in 500 grams of water to make aqueous solution II. Under stirring and at 70° C., the ammonium dichromate aqueous solution II was poured into the beaker of the aqueous solution I, and then titrated with 30 wt % sodium carbonate aqueous solution until the pH value of the reaction solution was 7.1. Then 542 grams of silica sol were added. Silica sol is produced by Shandong Ocean Chemical Co., Ltd., the model is JN-30.
[0050] Then aged at 80° C. for 4 hours, then suction filtered and washed until the sodium ion content was lower than 0.05%.
[0051] Dry, granulate, and then decompose by roasting at 380°C. Finally, it is sliced into granules, and the particle size is
[0052] Then, the catalyst was reduced with a mixed gas o...
Embodiment 3
[0055] 114 grams of copper nitrate, 12.3 grams of calcium nitrate and 0.93 grams of cerium nitrate were dissolved in 297 grams of water in a beaker to prepare aqueous solution I. In another beaker, 145.4 grams of ammonium dichromate was dissolved in 340 grams of water to make aqueous solution II. Under stirring and at 70° C., the ammonium dichromate aqueous solution II was poured into the beaker of the aqueous solution I, and then titrated with 30 wt % sodium carbonate aqueous solution until the pH value of the reaction solution was 7.3. Then 148.6 grams of pseudoboehmite and 346.7 grams of silica sol were added. Pseudoboehmite is produced by Jiangsu Sanji Industrial Co., Ltd., with a specific surface area of 290m 2 / g, the pore volume is 0.9mL / g. Silica sol is produced by Shandong Ocean Chemical Co., Ltd., the model is JN-30.
[0056] Then aged at 85° C. for 4 hours, then suction filtered and washed until the sodium ion content was lower than 0.05%.
[0057] Dry, granul...
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