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Compound catalyst for high yields of olefins from synthesis gas: Catalytic reaction steps

✍ Scribed by H. de Lasa; L. Hagey; S. Rong; A. Pekediz

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 470 KB
Volume: 51
Category: Article
ISSN: 0009-2509
DOI: 10.1016/0009-2509(96)00169-8

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✦ Synopsis

Compound catalysts involving methanol-synthesis/methanol-conversion functions offer promise for selective conversion of synthesis gas into C2-C 3 hydrocarbons and particularly of C2-C 3 olefins. This approach was followed, by modifying a ZSM5 zeolite with the addition of P compounds. The catalyst was characterized using SEM-EDX, BET, XRD and TPD. To elucidate the reaction mechanism, experiments were conducted in a Betty well mixed reactor to establish the following: a) methanol is a key intermediate present in minute amounts, b) water gas shift reaction takes places under conditions of equilibrium, c) hydrogenation and condensation of light olefins into higher hydrocarbons is mild and allows for significant fractions of C2-C 3 olefins to be produced.

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