Process for producing high RON gasoline using CFI Zeolite

Details Process for producing high RON gasoline using CFI Zeolite Process for producing high RON gasoline using CFI Zeolite

2006-05-02

2006-05-02

Nguyen, Tam (Department: 1764)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

C208S111350, C585S734000, C585S737000, C585S752000, C585S820000

Reexamination Certificate

active

07037422

ABSTRACT:
A process for producing a high RON naphtha which comprises contacting a hydrocarbon feed stream comprising a mixture of the isomers of C5and C6paraffins with a CFI zeolite, such as CIT-5, in an adsorption zone, whereby the branched isomers of the C5and C6paraffins are preferentially adsorbed by the CFI zeolite as compared to the straight chain isomers, and recovering a naphtha product from the adsorption zone having a higher RON than the hydrocarbon feed stream, also including a hydroisomerization process and a hydrocracking process.

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Merijn Schenk et al., “Understanding Zeolite Catalysis: Inverse Shape Selectivity Revised”, Angew. Chem. Int. Ed. 2002, 41. No. 14, pp. 2499-2502.

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