Abstract
The paper reports the synthesis of embryonic and highly crystalline ZSM-5 zeolites with SiO2/Al2O3 ratios of 50 to 400, as well as the examination and comparative evaluation of their physicochemical properties by XRD, low-temperature nitrogen adsorption/desorption, ammonia TPD, and TEM methods. The Ni-W sulfide catalysts prepared in situ from the embryonic and highly crystalline ZSM-5 were investigated in a hydrocracking reaction of 1-methylnaphthalene (50 atm H2, 380°C, 5 h). The catalytic systems based on embryonic ZSM-5 were found to promote, to a larger extent, the hydrogenation and migration of the methyl group on the naphthalene ring.
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The reported study was performed within the framework of the state assignment for TIPS RAS.
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Translated from Sovremennye Molekulyarnye Sita. Advanced Molecular Sieves, 2021, Vol. 3, No. 1, pp. 94–104.
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Ostroumova, V.A., Severina, V.A. & Maksimov, A.L. Application of Ni-W Sulfide Catalysts Prepared In Situ from Embryonic and Highly Crystalline ZSM-5 Zeolites in Hydrocracking Reaction of 1-Methylnaphthalene. Pet. Chem. 61, 341–349 (2021). https://doi.org/10.1134/S0965544121030191
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DOI: https://doi.org/10.1134/S0965544121030191