Method for recovering the lead and zinc values in secondary scru

Details Method for recovering the lead and zinc values in secondary scru Method for recovering the lead and zinc values in secondary scru

1980-07-24

1982-02-02

Hill, Ralph J.

Classifying, separating, and assorting solids

Sifting

209 2, 241 22, 241 24, 75 25, B07B 100

Patent

active

043138225

ABSTRACT:
The method consists of subjecting said muds to a particle size grading to concentrate the lead and zinc contained notably in the fines, and recovering said fraction containing the lead and the zinc, the other fraction being recyclable to the blast furnaces. The invention is useful in the preparation of feed materials for Waelz-Berzelius furnaces.

REFERENCES:
patent: 3865316 (1975-02-01), Hartstein et al.
patent: 4018680 (1977-04-01), Kupfer
patent: 4134755 (1979-01-01), Maeda
patent: 4250027 (1981-02-01), Cases et al.

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