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2 264 859

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IPC

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Application

2004114569/04, 2004-05-12

(24)

Start date

2004-05-12

(22)

Actual filing date

2004-05-12

(45)

Published

2005-11-27

(72)

Inventor

Kikhtjanin O.V.Echevskij G.V.Toktarev A.V.Vostrikova L.A.Kil'Djashev S.P.

(73)

Holder

Institut Kataliza Im. G.K. Boreskova Sibirskogo Otdelenija Rossijskoj Akademii Nauk

CATALYST PREPARATION METHOD AND HYDROCARBON FRACTION HYDROTREATMENT PROCESS USING THIS CATALYST Russian patent published in 2005 - IPC

Abstract RU 2264859 C1

FIELD: petroleum processing and petrochemistry.

SUBSTANCE: invention relates to hydrotreatment of different petroleum fractions with high content of straight-chain paraffins to yield product with high content of isoparaffins. Catalyst is prepared on the base of crystalline elemento-alumino-phosphates having specified structure via (i) preparing aqueous reaction mixture containing aluminum source, concentrated phosphoric acid, and one or two sources of substituting element selected from magnesium, zinc, silicon, cobalt, manganese, nickel, chromium, and also organic structuring compound constituting di-n-pentylamine or mixture thereof with other di-n-alkylamines and having following composition (in molar parts): R/Al₂O₃ 0.5-2.0, P₂O₅/Al₂O₃ 0.8-1.2, MO_x/Al₂O₃ 0.05-1.5, and H₂O/Al₂O₃ 15-200 followed by (ii)crystallization of thus prepared mixture.

EFFECT: increased activity and selectivity of catalyst with regard to formation of desired reaction products and preserved catalyst activity regarding hydrogenation of aromatics.

4 cl, 1 dwg, 14 ex

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RU 2 264 859 C1

Authors

Kikhtjanin O.V.

Echevskij G.V.

Toktarev A.V.

Vostrikova L.A.

Kil'Djashev S.P.

Dates

2005-11-27—Published

2004-05-12—Filed