Dust from a secondary copper smelter: application of air classification for improved dust recycling

Publikation: Beitrag in Buch/Bericht/TagungsbandKonferenzbeitrag

Abstract

The off-gas from a secondary copper smelting furnace is de-dusted by a fabric filter. When the separated dust is partly recycled to the furnace not only Cu but also unwanted volatile elements like Pb and Zn are recycled. The classification experiments showed a distinct size dependence of the concentrations of these elements in the dust. Thus, air classification could be applied to optimize dust recycling by separation of the dust into two fractions: a coarse fraction for recovery of Cu and a Cu-depleted fine fraction which is discharged and treated externally to recover Zn and Pb.
OriginalspracheEnglisch
TitelProceedings of the 50th International October Conference
Seiten245-248
PublikationsstatusVeröffentlicht - 2018
Veranstaltung50th International October Conference on Mining and Metallurgy - Bor, Serbien
Dauer: 30 Sep 20183 Okt 2018

Konferenz

Konferenz50th International October Conference on Mining and Metallurgy
Land/GebietSerbien
OrtBor
Zeitraum30.09.201803.10.2018

Schlagwörter

  • Secondary copper smelter
  • filter dust
  • air classification
  • dust composition

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