Catalyst for isomerization of lubricating oil and preparation method thereof
A catalyst and isomerization technology, applied in catalyst activation/preparation, physical/chemical process catalysts, molecular sieve catalysts, etc., can solve the problems of lack of catalyst preparation methods, achieve good hydrogenation ring-opening performance, and reduce n-paraffin content , the effect of stable quality
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Embodiment 1
[0026] The dosage of each raw material is shown in Table 1.
[0027] (1) Mix alumina powder, organic base-modified ZSM-48 molecular sieve powder, organic base-modified ZSM-5 molecular sieve powder, and graphene oxide powder evenly, then add hydroxyethyl methylcellulose, squash powder, 0.4 % nitric acid solution, fully rolled and shaped, then roasted at 550°C for 14 hours to obtain a catalyst carrier;
[0028] (2) impregnating the catalyst carrier obtained in step (1) with an equal volume of a solution containing nickel and palladium for 4 hours, then drying at 100° C. for 16 hours, and roasting at 650° C. for 14 hours to obtain a catalyst intermediate;
[0029] (3) impregnating the catalyst intermediate obtained in step (2) with equal volumes of a solution containing platinum and tungsten for 4 hours, then drying at 100° C. for 16 hours, and calcining at 650° C. for 14 hours.
[0030] Preparation of organic base-modified ZSM-48 molecular sieve: join ZSM-48 molecular sieve in ...
Embodiment 2
[0033] The dosage of each raw material is shown in Table 1.
[0034] (1) Mix alumina powder, organic base-modified ZSM-48 molecular sieve powder, organic base-modified ZSM-5 molecular sieve powder, and graphene oxide powder evenly, then add hydroxyethyl methylcellulose, squash powder, 0.4 % nitric acid solution, fully rolled and compacted, then calcined at 650°C for 10 hours to obtain a catalyst carrier;
[0035] (2) impregnating the catalyst carrier obtained in step (1) with an equal volume of a solution containing nickel and platinum for 6 hours, then drying at 120° C. for 12 hours, and roasting at 750° C. for 10 hours to obtain a catalyst intermediate;
[0036] (3) impregnating the catalyst intermediate obtained in step (2) with equal volumes of a solution containing palladium and tungsten for 6 hours, then drying at 120° C. for 12 hours, and calcining at 750° C. for 10 hours.
[0037] The preparation of organic base modified ZSM-48 molecular sieve: ZSM-48 molecular sieve ...
Embodiment 3
[0040] The dosage of each raw material is shown in Table 1.
[0041] (1) Mix alumina powder, organic base-modified ZSM-48 molecular sieve powder, organic base-modified ZSM-5 molecular sieve powder, and graphene oxide powder evenly, then add hydroxyethyl methylcellulose, squash powder, 0.4 % nitric acid solution, fully rolled and shaped, then roasted at 600°C for 12 hours to obtain a catalyst carrier;
[0042] (2) impregnating the catalyst carrier obtained in step (1) with an equal volume of a solution containing palladium and tungsten for 5 hours, then drying at 110° C. for 14 hours, and roasting at 700° C. for 12 hours to obtain a catalyst intermediate;
[0043] (3) impregnating the catalyst intermediate obtained in step (2) with an equal volume of a solution containing nickel and platinum for 5 hours, then drying at 110° C. for 14 hours, and calcining at 700° C. for 12 hours to obtain final product.
[0044]The preparation of organic base modified ZSM-48 molecular sieve: ZS...
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