Demetallization of petroleum feedstocks with zinc chloride and t

Details Demetallization of petroleum feedstocks with zinc chloride and t Demetallization of petroleum feedstocks with zinc chloride and t

1977-08-19

1979-04-10

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Metal contaminant removal

C10G 1700

Patent

active

041487176

ABSTRACT:
Heavy residual fractions are treated to remove vanadium and nickel contaminants by contact with zinc chloride and/or titanium tetrachloride under mild conditions of elevated temperature and pressure. The zinc chloride and titanium tetrachloride act as catalysts for the conversion of vanadium and nickel contaminants to insoluble metal-containing constituents removable by filtration from the product oil. The zinc chloride and titanium tetrachloride are recovered and recycled in the process.

REFERENCES:
patent: 3223618 (1965-12-01), Convery et al.
patent: 3677932 (1972-07-01), Hardesty et al.
Zieleke et al., Fluidized Combustion Process For Regeneration of Spent Zinc Chloride Catalysts, I&EC Process Design and Development, vol. 8, No. 4, Oct. 1969, pp. 552-558.

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