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Application

96101943/04, 1996-02-02

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Actual filing date

1996-02-02

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Published

1998-01-20

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Inventor

Kraev Ju.L.Knjaz'Kov A.L.Zajashnikov E.N.Khvostenko N.N.Brojtman A.Z.Shapiro R.N.Zharkov B.B.Nikitin A.A.Ivanov V.A.Esipko E.A.Ovchinnikov V.N.

(73)

Holder

Kraev Jurij L'Vovich

METHOD OF HYDROFINING OIL DISTILLATES Russian patent published in 1998 - IPC

Abstract RU 2102436 C1

FIELD: petroleum processing. SUBSTANCE: process is carried out at elevated temperature and pressure in presence of alumina/cobalt/nickel/molybdenum catalyst and secondary contact material, namely alumina/cobalt/nickel/molybdenum hydrofining catalyst employed for all 16000 h and retaining 10-50% activity of primary catalyst. Charge of secondary catalyst in reactor constitutes 3-9% that of primary catalyst. Catalysts are activated by elementary sulfur which is charged with secondary catalyst. Invention results in producing diesel fuel with 0.09-0.4 wt % sulfur and gasoline fractions with 0.8-0.4 ppm sulfur. EFFECT: enhanced hydrofining efficiency. 1 tbl

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RU 2 102 436 C1

Authors

Kraev Ju.L.

Knjaz'Kov A.L.

Zajashnikov E.N.

Khvostenko N.N.

Brojtman A.Z.

Shapiro R.N.

Zharkov B.B.

Nikitin A.A.

Ivanov V.A.

Esipko E.A.

Ovchinnikov V.N.

Dates

1998-01-20—Published

1996-02-02—Filed

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