Process for upgrading gasolines and other hydrocarbon mixtures

Details Process for upgrading gasolines and other hydrocarbon mixtures Process for upgrading gasolines and other hydrocarbon mixtures

1992-09-28

1993-10-12

Reamer, James H.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

208135, 585475, 585467, 585653, 585739, C10G 3504

Patent

active

052521974

ABSTRACT:
A process for upgrading gasolines and other hydrocarbon mixtures. The hydrocarbon mixture is contacted with a large pore zeolite catalyst in order to crack n-paraffins to form olefins and lower molecular weight n-paraffins, to cause the olefins to react with benzene in order to form alkylbenzenes, and to catalyze the isomerization of the n-paraffins to form i-paraffins. Preferably, all of the above reactions occur in a single reactant mixture in the presence of a zeolite catalyst having ten and/or twelve membered ring-type structures. The process of the invention reduces the benzene quantity of the hydrocarbon mixture and increases its octane number.

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A. P. Bolton, Molecular Sieve Zeolites, 1976, pp. 1-8 Julius Scherzer, Octane-Enhancing Zeolite FCC Catalysts pp. 111-115.
J. M. Newsam, et al., Structural Characterization of Zeolite Beta, Apr. 14, 1988, Proc. R. Soc. Lond. A420 pp. 375-377.
J. Biswas, et al., Recent Process--and Catalyst-Related Developments in Fluid Catalytic Cracking, Applied Catalysis.

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