A kind of supported high-efficiency hydrogenation catalyst and preparation method thereof
A hydrogenation catalyst and supported technology, which is applied in the direction of catalyst activation/preparation, chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, etc. High, reduce catalyst activity and other issues, to achieve the effect of avoiding the aggregation of active components, excellent catalytic hydrogenation performance, and improving catalytic activity
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Embodiment 1
[0028] A supported high-efficiency hydrogenation catalyst, comprising the following raw materials in parts by weight: 15 parts of a pretreated carrier, 4 parts of a metal precursor, and 14 parts of deionized water;
[0029] Wherein, the metal precursor is nickel nitrate hexahydrate; the preparation method of the pretreatment carrier is to weigh an appropriate amount of sodium montmorillonite and pulverize it to 400 mesh, and then add 8 times the volume of sulfuric acid with a concentration of 0.15mol / L The solution was mixed evenly, and then sent to an ultrasonic and microwave combined reaction apparatus for ultrasonic and microwave combined treatment at 78°C for 20min, then centrifuged at a rate of 3000r / min for 15min, and after removing the supernatant, vacuum dried at 60°C for 48h to obtain The pretreatment carrier; the ultrasonic and microwave combination treatment conditions are: ultrasonic frequency is 30kHz, ultrasonic power is 50W, microwave frequency is 1000MHz, and mi...
Embodiment 2
[0040] A supported high-efficiency hydrogenation catalyst, comprising the following raw materials in parts by weight: 20 parts of a pretreated carrier, 7 parts of a metal precursor, and 24 parts of deionized water;
[0041] Wherein, the metal precursor is nickel nitrate hexahydrate; the preparation method of the pretreatment carrier is to weigh an appropriate amount of sodium montmorillonite and pulverize it to 400 mesh, and then add 8 times the volume of sulfuric acid with a concentration of 0.15mol / L The solution was mixed evenly, and then sent to an ultrasonic and microwave combined reaction apparatus for ultrasonic and microwave combined treatment at 78°C for 20min, then centrifuged at a rate of 3000r / min for 15min, and after removing the supernatant, vacuum dried at 60°C for 48h to obtain The pretreatment carrier; the ultrasonic and microwave combined treatment conditions are: ultrasonic frequency is 30kHz, ultrasonic power is 70W, microwave frequency is 1000MHz, and micro...
Embodiment 3
[0052] A supported high-efficiency hydrogenation catalyst, comprising the following raw materials in parts by weight: 17.5 parts of a pretreated carrier, 5.5 parts of a metal precursor, and 19 parts of deionized water;
[0053] Wherein, the metal precursor is nickel nitrate hexahydrate; the preparation method of the pretreatment carrier is to weigh an appropriate amount of sodium montmorillonite and pulverize it to 400 mesh, and then add 8 times the volume of sulfuric acid with a concentration of 0.15mol / L The solution was mixed evenly, and then sent to an ultrasonic and microwave combined reaction apparatus for ultrasonic and microwave combined treatment at 78°C for 20min, then centrifuged at a rate of 3000r / min for 15min, and after removing the supernatant, vacuum dried at 60°C for 48h to obtain The pretreatment carrier; the ultrasonic and microwave combined treatment conditions are: ultrasonic frequency is 30kHz, ultrasonic power is 60W, microwave frequency is 1000MHz, and m...
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