METHOD OF REGENERATION OF IRON-CONTAINING MATERIALS Russian patent published in 1994 - IPC

Abstract RU 2009029 C1

FIELD: material regeneration. SUBSTANCE: method involves two-stage treatment of initial man-made or natural iron-containing materials by gaseous reducing agent. During first stage material is treated at a temperature of 250-350 C in humid exhaust gases generated as a result of final stage treatment to obtain intermediate product. Second stage treatment is conducted at a temperature of 350-450 C in purified hydrocarbon-containing gas. EFFECT: enhanced regeneration capability. 2 dwg, 1 tbl

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RU 2 009 029 C1

Authors

Folmanis G.Eh.

Vavilov N.S.

Pokrovskij N.P.

Poljanskaja S.M.

Ignat'Ev N.N.

Dates

1994-03-15—Published

1992-06-08—Filed