Naphtha upgrading using solid superacid catalysts comprising pla

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Reforming

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208135, 208136, 208137, 585750, 585751, C10G 35085

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active

054945712

ABSTRACT:
A naphtha upgrading process is provided which process utilizes a sulfated solid catalyst comprising (1) oxide or hydroxide of Group III or Group IV element, e.g. zirconium, and (2) a first metal comprising a metal or combination of metals selected from the group consisting of platinum, palladium, nickel, platinum and rhenium, and platinum and tin. The sulfated support is calcined prior to incorporation of the first metal and subsequent to said incorporation. The catalyst may further comprise (3) a second metal selected from the group consisting of Group VIII elements, e.g. iron. One embodiment of the invention further comprises (4) a third metal selected from the group consisting of Group V, VI and VII elements, e.g. manganese. Said second and third metals are added prior to the first calcination.

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Hino et al., "Synthesis of Solid Superacid Catalyst with Acid Strength of H.sub.o .gtoreq.-16.04", J.C.S.Chem.Comm., (1980), pp. 851-852.
Hosoi et al., "Characterization and C.sub.5 /C.sub.6 Isomerization Activity of Solid Superacid (Pt./SO.sub.4.sup.2- /ZrO.sub.2)" Amer.Chem.Soc. Los Angeles Meeting, Sep. 1988, Div.Petr.Chem.Pre.Print, 562-567.
Hino et al., "Reactions of Butane and Isobutane Catalyzed by Zirconium Oxide Treated with Sulfate Ion." J. Amer.Chem.Soc. (1979), 6439-41.
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