METHOD FOR SCRUBBING OF INDUSTRIAL GASES AGAINST $$$ AND $$$ Russian patent published in 1997 - IPC

Abstract RU 2077932 C1

FIELD: scrubbing of waste industrial gases against $$$ and $$$. SUBSTANCE: $$$ and $$$ are absorbed by aqueous solution which comprises phosphates and thiosulfates of ammonium together with homogeneous catalyst. The process is followed by regeneration of the solution with the help of gas comprising hydrogen sulfide, the process takes place at 20-60 C at pH 3-5, ratio of $$$ and summary amount of $$$ and $$$ being 1.0-2.0. EFFECT: improved efficiency of the method. 2 cl, 1 dwg, 3 tbl

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RU 2 077 932 C1

Authors

Paj Zinaida Petrovna[Ru]

Ermakova Anna[Hu]

Kundo Nikolaj Nikolaevich[Ru]

Kirillov Valerij Aleksandrovich[Ru]

Akmalova Ol'Ga Kamalovna[Ru]

Sizykh Nikolaj Georgievich[Ru]

Igoshin Sergej Vladimirovich[Ru]

Dates

1997-04-27Published

1993-12-28Filed