Method for preparing mercaptan conversion catalyst of liquefied petroleum gas
A liquefied petroleum gas and catalyst technology, which is applied in the field of petroleum processing, can solve problems such as poor solubility, and achieve the effects of preventing solvent volatilization, large processing capacity, and low mercaptan content
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[0024] Example 1
[0025] (1) Activation of the carrier: place the 13X molecular sieve at 450°C for 5 hours to obtain an activated carrier;
[0026] (2) Dissolve the active component in the solvent, and dissolve 0.1 g of the active component of the quaternary ammonium alkalized cobalt phthalocyanine catalyst in 50 ml of 1wt% ammonia water and N,N-dimethylformamide in a volume ratio of 1:1 Obtain the immersion liquid in the compound mixed solvent;
[0027] (3) For the impregnation of the carrier, take 20 g of the activated 13X molecular sieve in step (1) and add it to 50 ml of the impregnation solution of step (2) to obtain a mixture material, seal the mixture material, and place it under ultrasonic power Under the condition of 300W and 40kHz ultrasonic frequency, continuous ultrasonic immersion for 1 hour;
[0028] (4) Filter and dry, filter out the supported carrier from the mixture material obtained in step (3), and dry the supported carrier at a vacuum of 0.08 MPa and a temperatur...
Example Embodiment
[0029] Example 2
[0030] (1) The activation of the carrier: Place the USY molecular sieve at 600°C for 3 hours to obtain an activated carrier;
[0031] (2) Dissolve the active component in the solvent, dissolve 0.08 g of the active component of the sulfonated cobalt phthalocyanine catalyst in 40 ml of 10wt% ammonia, fatty alcohol and N,N-dimethylformamide in a volume ratio of 1: The immersion liquid is obtained from the mixed solvent of 1:1;
[0032] (3) Impregnation of the carrier: Take 10 g of the activated USY molecular sieve in step (1) and add it to 40 ml of the impregnation solution obtained in step (2) to obtain the mixture material, seal the mixture material, and put it in the ultrasonic Under the condition of power of 100W and ultrasonic frequency of 60kHz, continuous ultrasonic immersion for 1.5 hours;
[0033] (4) Filtration and drying: filter out the supported carrier from the mixture material obtained in step (3), and dry the supported carrier at a vacuum of 0.09 MPa an...
Example Embodiment
[0034] Example 3
[0035] (1) The activation of the carrier: Place Al2O3 at 150°C for 30 hours to obtain an activated carrier;
[0036] (2) Dissolve the active component in a solvent, and dissolve 0.1 g of the active component of the polyphthalocyanine cobalt catalyst in 40 ml of a mixed solvent of ethanolamine and fatty alcohol in a volume ratio of 3:1 to obtain an immersion liquid;
[0037] (3) Impregnation of the carrier: Take 20 grams of activated Al2O3 in step (1) and add it to 40 ml of the immersion solution in step (2) to obtain a mixture material, seal the mixture material, and place it under the ultrasonic power as Under the condition of 200W and 50kHz ultrasonic frequency, continuous ultrasonic immersion for 3 hours;
[0038] (4) Filter and dry, filter out the supported carrier from the mixture material obtained in step (3), and dry the supported carrier at a vacuum of 0.05 MPa and a temperature of 65° C. for 3 hours to obtain the catalyst C3 of the present invention.
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