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2 113 890

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IPC

(21) (22)

Application

97108251/25, 1997-05-20

(22)

Actual filing date

1997-05-20

(45)

Published

1998-06-27

(72)

Inventor

Kulish O.N.Kuzhevatov S.A.Zajtseva T.V.Gerasimova V.P.Gladkaja N.G.Akopova G.S.

(73)

Holder

Gosudarstvennaja Akademija Nefti I Gaza Im.I.M.GubkinaVserossijskij Institut Prirodnykh Gazov I Gazovykh Tekhnologij Rao

METHOD OF REMOVING NITROGEN OXIDES FROM FLUE GASES Russian patent published in 1998 - IPC

Abstract RU 2113890 C1

FIELD: gas treatment. SUBSTANCE: flue gas is treated at 700-120 C by urea thermal decomposition products produced by heating solid urea beyond the nitrogen oxide reduction zone while simultaneously blowing through solid urea layer to produce gas mixture that is further directed into the nitrogen oxide reduction zone. EFFECT: increased flue gas purification degree and simplified technology. 4 cl, 2 dwg , 2 tbl

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RU 2 113 890 C1

Authors

Kulish O.N.

Kuzhevatov S.A.

Zajtseva T.V.

Gerasimova V.P.

Gladkaja N.G.

Akopova G.S.

Dates

1998-06-27—Published

1997-05-20—Filed