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2 054 307

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IPC

(21) (22)

Application

5058944/05, 1992-08-18

(22)

Actual filing date

1992-08-18

(45)

Published

1996-02-20

(72)

Inventor

Prokhorov A.G.Nechepurenko V.Ja.Danilov N.P.Korul'Ko V.A.Vaulina G.T.Ganicheva G.A.Pakhomov B.A.Okulov A.D.Graf V.Eh.Malysh L.A.Volkova M.F.Shmidt A.N.

(73)

Holder

Kuchukskij Sul'Fatnyj Zavod

METHOD OF FURNACE GAS SCRUBBING IN SODIUM SULFIDE PRODUCTION FROM HYDROGEN SULFIDE AND SULFUR DIOXIDE Russian patent published in 1996 - IPC

Abstract RU 2054307 C1

FIELD: chemical industry. SUBSTANCE: scrubbing furnace gases is carried out by washing at pH 7.5-10.0 with suspension obtained at repulping slime in water - waste of sodium sulfide production from the stage of its washing - and treated preliminary with iron sulfate. Suspension is prepared at the mass ratio water:slime at the range 4-9:1, preferably, at 5.6:1. EFFECT: enhanced scrubbing, decreased consumption of reagents, enhanced safety of process.

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RU 2 054 307 C1

Authors

Prokhorov A.G.

Nechepurenko V.Ja.

Danilov N.P.

Korul'Ko V.A.

Vaulina G.T.

Ganicheva G.A.

Pakhomov B.A.

Okulov A.D.

Graf V.Eh.

Malysh L.A.

Volkova M.F.

Shmidt A.N.

Dates

1996-02-20—Published

1992-08-18—Filed