Coreactant-induced modifications of catalytic behavior in zeolitic systems

Journal Article · Wed Nov 01 04:00:00 EST 1989 · Industrial and Engineering Chemistry Research; (USA)

DOI:https://doi.org/10.1021/ie00095a008· OSTI ID:7041530

Martin, A M; Chen, J -K; John, V T ^[1]

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1. Dept of Chemical Engineering, West Virginia Univ, Morgantown, WV (US)

The complex feed processing over zeolite catalysts, competitive reaction between the feed components results in observed rates and selectivities that cannot be predicted from pure component data alone. Hydroisomerization of paraffins over various Pt/zeolites in the presence of an aromatic cofeed is considered as an illustration. The aromatic affects paraffin reaction rates by occupying catalytic sites and perhaps also by partially blocking the pores. Analysis of Arrhenius plots helps in correlations of zeolite structure and the extent to which the paraffin reaction is affected. It is shown that the coreactant can induce selectivity to a zeolite that would otherwise not be shape selective.

• OSTI ID: 7041530
• Journal Information: Industrial and Engineering Chemistry Research; (USA), Journal Name: Industrial and Engineering Chemistry Research; (USA) Vol. 28:11; ISSN 0888-5885; ISSN IECRE
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020500* -- Petroleum-- Products & By-Products
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
ALKANES
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL REACTION KINETICS
CHEMICAL REACTORS
ELEMENTS
HYDROCARBONS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
KINETICS
MATERIALS
METALS
MINERALS
MODIFICATIONS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PARAFFIN
PLATINUM
PLATINUM METALS
REACTION KINETICS
TRANSITION ELEMENTS
WAXES
ZEOLITES