METHOD OF ZINC-CONTAINING SLUDGE PROCESSING Russian patent published in 1994 - IPC

Abstract RU 2020171 C1

FIELD: ferrous and nonferrous metallurgy. SUBSTANCE: processing of zinc-containing sludges is carried out by reduction roasting at 800-900 C for 3-4 h in the presence of coke fines (4-6% of sludge mass) following by hydrometallurgic processing of sinter obtained. EFFECT: improved method of sludge processing. 2 tbl

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RU 2 020 171 C1

Authors

Тsemekhman L.Sh.

Мintsis V.Р.

Мuravin К.А.

Shneerson Ja.М.

Rjabko А.G.

Dates

1994-09-30—Published

1991-07-03—Filed