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2 087 414

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Application

93036363/25, 1993-07-14

(22)

Actual filing date

1993-07-14

(45)

Published

1997-08-20

(72)

Inventor

Bljumberg Eh.A.Bulygin M.G.Valov P.I.Son S.B.Chernomordik L.I.Judin A.E.

(73)

Holder

Institut Khimicheskoj Fiziki Im.N.N.Semenova RanBljum'Erg Ehrna Al'BertovnaBulygin Mikhail Grigor'EvichValov Petr IvanovichSon Stanislav BorisovichChernomordik Lev IsakovichJudin Aleksandr Evgen'Evich

METHOD OF SULFURIC ACID PRODUCTION Russian patent published in 1997 - IPC

Abstract RU 2087414 C1

FIELD: chemical technology, inorganic chemistry. SUBSTANCE: hydrogen sulfide or elemental sulfur is added to an aqueous solution directly and oxidized with air oxygen in the presence of catalyst - nitric acid under pressure 10-80 atm at 120-180 C, preferably, at 60-120 C. EFFECT: improved method of production. 2 cl, 2 tbl

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RU 2 087 414 C1

Authors

Bljumberg Eh.A.

Bulygin M.G.

Valov P.I.

Son S.B.

Chernomordik L.I.

Judin A.E.

Dates

1997-08-20—Published

1993-07-14—Filed

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