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2 043 626

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C1

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IPC

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Application

4925424/04, 1991-04-04

(22)

Actual filing date

1991-04-04

(45)

Published

1995-09-10

(72)

Inventor

Vorob'Ev B.L.Khvorova E.P.Koshelev Ju.N.Malov Ju.I.Kharchenko A.A.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Proizvodstvennoe Ob"Edinenie

PROCESS OF CONTROL OVER COMPOSITION OF GALLIUM-CONTAINING ZEOLITE CATALYST FOR AROMATIZATION OF HYDROCARBONS C- C Russian patent published in 1995 - IPC

Abstract RU 2043626 C1

FIELD: chemistry. SUBSTANCE: product-catalyst contains gallium and zeolite. Control over product-catalyst is conducted by selection of proportions of silicon, aluminium and gallium by mixing compounds of silicon and aluminium in presence of modifying additives and water followed by hydrothermal treatment of formed mixture and its drying, by impregnation with solution of gallium compound, by drying and calcination. In this case selection of proportions is carried starting from molar proportion SiO2/Al2O3 and from calculation of quantity of injected gallium-containing composition by formula specified in description of invention. EFFECT: provision for optimum activity and selectivity. 2 tbl

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RU 2 043 626 C1

Authors

Vorob'Ev B.L.

Khvorova E.P.

Koshelev Ju.N.

Malov Ju.I.

Kharchenko A.A.

Dates

1995-09-10—Published

1991-04-04—Filed

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