Processes and apparatus for reducing and subsequently pelletizin

Details Processes and apparatus for reducing and subsequently pelletizin Processes and apparatus for reducing and subsequently pelletizin

1978-12-14

1981-03-10

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 3, 266144, 266157, 266173, C21B 1300

Patent

active

042551854

ABSTRACT:
Processes and apparatus for reducing and pelletizing moist fine-grained ore having zinc--and/or lead-containing impurities and wherein preheated ore is discharged to a rotary furnace in which the zinc and/or lead is separated from the ore and discharged from the furnace with its exhaust gases. The zinc and/or lead is separated from the exhaust gases and the thus purified gases dry the ore prior to the preheating thereof.

REFERENCES:
patent: 2855290 (1958-10-01), Freeman
patent: 3034884 (1962-05-01), Mayer et al.
patent: 3386816 (1968-06-01), English
patent: 3403018 (1968-09-01), Thom
patent: 3945817 (1976-03-01), Yatsunami et al.
patent: 4033559 (1977-07-01), Pietsch

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