Method for hydrocracking a heavy polynuclear hydrocarbonaceous f

Details Method for hydrocracking a heavy polynuclear hydrocarbonaceous f Method for hydrocracking a heavy polynuclear hydrocarbonaceous f

1979-09-26

1981-01-27

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

208 8LE, 208 59, C10G 100, C10G 106, C10G 6500

Patent

active

042473853

ABSTRACT:
A method for hydrocracking a heavy polynuclear hydrocarbonaceous feedstock to produce lighter hydrocarbon fuels by contacting the feedstock with hydrogen in the presence of a molten metal halide catalyst, the method comprising: mixing the feedstock with a heavy naphtha fraction which has an initial boiling point from about 100.degree. to about 160.degree. C. with a boiling point difference between the initial boiling point and the final boiling point of no more than about 50.degree. C. to produce a mixture; thereafter contacting the mixture with partially spent molten metal halide and hydrogen under temperature and pressure conditions so that the temperature is near the critical temperature of the heavy naphtha fraction; separating at least a portion of the heavy naphtha fraction and lighter hydrocarbon fuels from the partially spent molten metal halide, unreacted feedstock and reaction products; thereafter contacting the partially spent molten metal halide, unreacted feedstock and reaction products with hydrogen and fresh molten metal halide in a hydrocracking zone to produce additional lighter hydrocarbon fuels and separating at least a major portion of the lighter hydrocarbon fuels from the spent molten metal halide.

REFERENCES:
patent: 3677932 (1972-07-01), Hardesty et al.
patent: 3679577 (1972-07-01), Wantland et al.
patent: 3736250 (1973-05-01), Berg et al.
patent: 3790468 (1974-02-01), Loth
patent: 4132628 (1979-01-01), Pell

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