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- W73670565 abstract "The catalyst, which combines high activity and selectivity for isoolefins with outstanding mechanical, thermal, and hydrothermal stability, is an active alumina in the ..gamma.. or g form modified by treatment with tetraethyl orthosilicate to obtain an imperfect monolayer of surface silica. When used to isomerize n-butenes to isobutene at 470/sup 0/C, the catalyst showed a 78% by wt selectivity at 35% n-butene conversion and 27% isobutene yield per pass and was able to withstand over 100 cycles of regeneration with air at 500/sup 0/-550/sup 0/C with no significant deactivation or sintering. Isomerization of n-butenes to isobutene in mixed C/sub 4/ streams used as feedstocks in the Snamprogetti S.p.A./ANIC S.p.A. synthesis of methyl tert.-butyl ether (MTBE) (by reacting isobutene with methanol, can increase the yield of MTBE from the same feedstocks, such as catalytic cracker C/sub 4/ streams, by 70%. Based on the present availability of C/sub 4/ feedstocks, world-wide (U.S.) MTBE production capacities can be thus increased from 17.6 (11.3) to 60 (43.2) million tons/yr." @default.
- W73670565 created "2016-06-24" @default.
- W73670565 creator A5048380308 @default.
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- W73670565 date "1980-01-01" @default.
- W73670565 modified "2023-09-27" @default.
- W73670565 title "New catalyst for skeletal isomerization of olefins" @default.
- W73670565 hasPublicationYear "1980" @default.
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