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- W2371306328 abstract "MCM-49 molecular sieve with different Si/Al ratios was synthesized hydrothermally under static condition and dynamic condition (autoclave rotated at 60 r/min), and its catalytic performance for skeletal isomerization of 1-butene was studied. The reaction results indicated that, besides the aim product isobutene, propylene and pentenes formed by dimerization-cracking reaction or oligomerization-cracking reaction were the main by-products, and the hydrocarbons higher than C 6 were not detected. Moreover, the yield of isobutene increased with the increase of reaction temperature and molecular sieve crystallite as well as the decrease of 1-butene partial pressure. The NH 3-TPD result indicated that the amount of acid sites decreased with the increase of Si/Al ratio in molecular sieve, which resulted in slower secondary reaction rate and higher selectivity for isobutene. On the basis of these results, the formation mechanism of isobutene and other by-products on MCM-49 was discussed." @default.
- W2371306328 created "2016-06-24" @default.
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- W2371306328 date "2004-01-01" @default.
- W2371306328 modified "2023-09-25" @default.
- W2371306328 title "Isomerization of 1-Butene on MCM-49 Molecular Sieve Catalyst" @default.
- W2371306328 hasPublicationYear "2004" @default.
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