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2 043 146

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IPC

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Application

92011354/04, 1992-12-11

(22)

Actual filing date

1992-12-11

(45)

Published

1995-09-10

(72)

Inventor

Ivanova A.S.Alikina G.M.Sadykov V.A.Lunin V.V.Rozovskij A.Ja.Khodakov Ju.S.

(73)

Holder

Institut Kataliza So RanKhimicheskij Fakul'Tet Mgu Im.M.V.LomonosovaInstitut Neftekhimicheskogo Sinteza Im.A.V.TopchievaVserossijskij Teploehnergeticheskij Institut

CATALYST FOR REDUCTION OF NITROGEN OXIDES WITH HYDROCARBONS IN OXIDIZING ATMOSPHERE AND A METHOD OF ITS PREPARING Russian patent published in 1995 - IPC

Abstract RU 2043146 C1

FIELD: catalytic chemistry. SUBSTANCE: product: catalytic oxide composition of the formula (I) MeO-ZrO2 where Me: Ca, Sr, Ba, Y, Ce; MeO composition is 2-10 mol. and ZrO2 the rest; or the formula (II) Al2O3-SrO-ZrO2 consisting of, mol. Al2O3-25,0-50,0; SrO 2.5-3.8; ZrO2-47,5-71,2. 47.5-71.2. Compositions of the formula (I) is prepared by coprecipitation of complexes, or mixing for formula (II) followed by stages of forming, drying and calcination at 700-1000 C. These catalysts provide 100% degree of nitrogen oxides conversion at the temperature of reductive reaction with hydrocarbons in oxidizing atmosphere. EFFECT: enhanced quality of catalyst. 4 cl, 1 tbl

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RU 2 043 146 C1

Authors

Ivanova A.S.

Alikina G.M.

Sadykov V.A.

Lunin V.V.

Rozovskij A.Ja.

Khodakov Ju.S.

Dates

1995-09-10—Published

1992-12-11—Filed

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