Method for preparing catalyst for converting mercaptan in liquefied gas
A technology of catalyst and liquefied gas, applied in the direction of physical/chemical process catalyst, organic compound/hydride/coordination complex catalyst, catalyst carrier, etc. Solvent and other problems, to achieve the effect of improving the regeneration efficiency of lye, saving start-up time, and good oxidation effect
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Embodiment 1
[0011] The method of the present embodiment has the following steps:
[0012] ①Activation of the carrier: The activated carbon is placed at 180°C for 10 hours to obtain an activated carrier;
[0013] 2. dissolving the active component in the solvent: dissolving the active component of 0.25 g polyphthalocyanine cobalt catalyst in a mixed solvent compounded by 28 wt% ammonia water and N,N-dimethylformamide in a ratio of 6:1;
[0014] ③ Impregnation of the carrier: Take 50 grams of activated carbon activated in step ①, add it to 100 ml of the solution obtained in step ② and soak for 24 hours to obtain a mixed material;
[0015] ④ Filtration and drying: filter out the carrier from the mixed material obtained in step ③, and dry the carrier at a temperature of 120° C. for 5 hours to obtain the catalyst C1 of the present invention.
Embodiment 2
[0017] The method of the present embodiment has the following steps:
[0018] ①Activation of the carrier: the α-Al 2 o 3 Placed at 180°C for 8 hours to obtain an activated carrier;
[0019] ②The active component is dissolved in a solvent: 0.6 g of quaternary ammonium alkalized cobalt phthalocyanine catalyst active component is dissolved in N,N-dimethylformamide;
[0020] ③ Impregnation of the carrier: take the activated α-Al in step ① 2 o 3 100 grams, added to 200 milliliters of the solution obtained in step ② and soaked for 48 hours to obtain a mixed material;
[0021] ④ Filtration and drying: filter out the carrier from the mixture obtained in step ③, and dry the carrier at 160° C. for 5 hours to obtain the catalyst C2 of the present invention.
Embodiment 3
[0023] The method of the present embodiment has the following steps:
[0024] ①Activation of the carrier: the α-Al 2 o 3 Placed at 220°C for 10 hours to obtain an activated carrier;
[0025] ② Dissolving the active component in a solvent: dissolving 0.3 g of the active component of the polyphthalocyanine cobalt catalyst in a mixed solvent compounded by aliphatic amine and N,N-dimethylformamide at a ratio of 1:1;
[0026] ③ Impregnation of the carrier: take the activated α-Al in step ① 2 o 3 50 grams, added to 120 milliliters of the solution obtained in step ② and soaked for 6 hours to obtain a mixed material;
[0027] ④ Filtration and drying: filter out the carrier from the mixed material obtained in step ③, and dry the carrier at 140° C. for 7 hours to obtain the catalyst C3 of the present invention.
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