SELENIUM MANUFACTURE PROCESS Russian patent published in 2004 - IPC

Abstract RU 2224711 C2

FIELD: industrial inorganic synthesis. SUBSTANCE: selenium is prepared via hydrogen reduction of selenium hexachloride in glow electric discharge at pressure (4-6)•10² Pa and selenium hexachloride-to-hydrogen molar ratio 1: (5-6.5). After washing and drying selenium product meets state standard requirements. EFFECT: improved purity and increased yield of product. 3 cl, 6 ex

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RU 2 224 711 C2

Authors

Dolgov S.G.

Komov I.A.

Sanzhanov A.I.

Dates

2004-02-27—Published

2002-04-10—Filed