The conversion of methanol and other O-compounds to hydrocarbons over zeolite [beta]
Journal Article
·
· Journal of Catalysis; (United States)
- Univ. of Liverpool (United Kingdom)
The conversion of alcohols, ethers, and carbonyl compounds using zeolite [beta], zeolite ZSM-5, and zeolite Y are compared and contrasted. The proton form of zeolite [beta] is found to be as active as H-ZSM-5 for this reaction, whereas zeolite Y is much less active. Zeolite [beta] gives isobutane as the major product from methanol conversion under all reaction conditions tested, together with significant selectivities to C[sub 2] and C[sub 3] hydrocarbons. The conversions of ethanol and propanol over zeolite [beta] lead to the almost exclusive formation of the corresponding alkene via water elimination. This is in contrast to ZSM-5, and hence zeolite [beta] does not exhibit the rapid secondary conversion reactions typified by ZSM-5 for alcohol conversion reactions. The high selectivity to iso-C[sub 4] hydrocarbons is also found for zeolite [beta] for the conversion of acetone and acetic acid. The results are discussed in terms of the possible mechanisms for the formation of iso-C[sub 4] hydrocarbons in high selectivity for zeolite [beta]. 28 refs., 7 figs., 5 tabs.
- OSTI ID:
- 7185294
- Journal Information:
- Journal of Catalysis; (United States), Journal Name: Journal of Catalysis; (United States) Vol. 147:1; ISSN 0021-9517; ISSN JCTLA5
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
10 SYNTHETIC FUELS
100200 -- Synthetic Fuels-- Production-- (1990-)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
CATALYSIS
CATALYTIC EFFECTS
CONVERSION
HETEROGENEOUS CATALYSIS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
MINERALS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
SILICATE MINERALS
ZEOLITES
100200 -- Synthetic Fuels-- Production-- (1990-)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
CATALYSIS
CATALYTIC EFFECTS
CONVERSION
HETEROGENEOUS CATALYSIS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
MINERALS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
SILICATE MINERALS
ZEOLITES