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2 117 029

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IPC

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Application

97104905/04, 1997-03-27

(22)

Actual filing date

1997-03-27

(45)

Published

1998-08-10

(72)

Inventor

Veselkin V.A.Kamlyk A.S.Krylov V.A.Alikin A.G.Jakunin V.I.Shcherbakov L.V.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

METHOD FOR PURIFICATION OF PRODUCTS OF CATALYTIC REFORMING AGAINST OLEFIN HYDROCARBONS Russian patent published in 1998 - IPC

Abstract RU 2117029 C1

FIELD: oil processing. SUBSTANCE: products of reforming are hydrogenated on platinum-containing mono-, bi- or polymetallic catalyst. The process takes place in the presence of hydrogen at high temperature and pressure. Periodically, during interregeneration period and before regeneration catalyst is treated by current of fluid hydrocarbons, the process may be carried out in the presence of hydrogen, at 20-180 C and at the pressure. Monocyclic aromatic hydrocarbons, or their mixture, or catalyzate of reforming, or benzine fractions affected by hydropurification are used as said hydrocarbons. Thus original activity of catalyst in interregeneration period is reduced. After regeneration degree of hydrogenation of olefins is decreased to 4 %. EFFECT: increased service time of catalyst. 2 cl, 2 tbl

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RU 2 117 029 C1

Authors

Veselkin V.A.

Kamlyk A.S.

Krylov V.A.

Alikin A.G.

Jakunin V.I.

Shcherbakov L.V.

Dates

1998-08-10—Published

1997-03-27—Filed

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