Isopropylamine catalyst and its application
A catalyst and a technology for isopropylamine, applied in the field of catalysts for synthesizing isopropylamine, can solve problems such as unsatisfactory isopropylamine catalyst selectivity, and achieve the effect of ideal selectivity
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Embodiment 1
[0023] Using the equal volume impregnation method, according to the water absorption rate of the alumina carrier (produced by Beijing Research Institute of Chemical Industry), the required amount of nickel nitrate, ammonium molybdate and zinc nitrate were dissolved in deionized water to make the volume and the water absorption of the alumina carrier In the same solution, the alumina support is immersed in the solution, dried, calcined, and reduced to make catalyst A-1 containing 10% Ni, 1% Mo, and 1% Zn, and the specific surface area and pore volume of the catalyst are measured, respectively 170m 2 / g and 0.39m 3 / g.
[0024] Put the prepared catalyst into a fixed-bed reactor, feed acetone, ammonia and hydrogen, at 150°C, normal pressure, liquid hourly space velocity of acetone 0.5h -1 The performance of the catalyst was evaluated at a molar ratio of acetone:ammonia:hydrogen of 1:3:3. The test results are listed in Table 1.
Embodiment 2
[0026] Using the equal volume impregnation method, according to the water absorption rate of the alumina carrier (produced by Beijing Research Institute of Chemical Industry), the required amount of nickel nitrate, ammonium molybdate and zinc nitrate were dissolved in deionized water to make the volume and the water absorption of the alumina carrier In the same solution, the alumina carrier is immersed in the solution, dried, calcined, and reduced to make catalyst A-2 containing 10% Ni, 0.5% Mo, and 0.5% Zn. The specific surface area and pore volume of the catalyst are measured, respectively 130m 2 / g and 0.31m 3 / g.
[0027] Put the prepared catalyst into a fixed-bed reactor, feed acetone, ammonia and hydrogen, at 150°C, normal pressure, liquid hourly space velocity of acetone 0.5h -1 The performance of the catalyst was evaluated at a molar ratio of acetone:ammonia:hydrogen of 1:3:3. The test results are listed in Table 1.
Embodiment 3
[0029] Using the equal volume impregnation method, according to the water absorption rate of the alumina carrier (produced by Beijing Research Institute of Chemical Industry), the required amount of nickel nitrate, ammonium molybdate and zinc nitrate were dissolved in deionized water to make the volume and the water absorption of the alumina carrier In the same solution, the alumina support is immersed in the solution, dried, calcined, and reduced to make catalyst A-3 containing 15% Ni, 0.8% Mo, and 1% Zn. The specific surface area and pore volume of the catalyst are measured, respectively 145m 2 / g and 0.36m 3 / g.
[0030] Put the prepared catalyst into a fixed-bed reactor, feed acetone, ammonia and hydrogen, at 150°C, normal pressure, liquid hourly space velocity of acetone 0.75h -1 The performance of the catalyst was evaluated at a molar ratio of acetone:ammonia:hydrogen of 1:3:3. The test results are listed in Table 1.
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