C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
23/399, 260/710,
C07C 1/20 (2006.01) B01J 8/00 (2006.01) B01J 8/26 (2006.01) C07C 9/14 (2006.01) C07C 11/02 (2006.01) C10G 3/00 (2006.01)
Patent
CA 1209162
FLUIDIZED BED REACTOR AND PROCESS FOR OXYGENATES TO HYDROCARBONS CONVERSION Abstract A process for converting lower alcohols and oxygenates thereof either to gasoline-grade hydrocarbons or to olefins is improved by providing a reactor vessel having substantially no freeboard or a relatively short freeboard. The elimination or substantial elimination of the freeboard in the reactor minimizes contact time of the higher alkane and alkene hydrocarbons and aromatics-containing catalyst with the feed, thereby preventing the formation of additional higher hydrocarbons and aromatics, including durene. The catalyst is separated from the gaseous reaction products in a separate stripper/separator vessel by solids-gas separation means which return the catalyst to a fluidized bed in the downstream section of the stripper/separator vessel. The paraffins, olefins, naphthenes and aromatics are stripped from the catalyst in the fluidized bed of the stripper/separator vessel.
424898
Avidan Amos A.
Kam Anthony Y.
Kirby Eades Gale Baker
Mobil Oil Corporation
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