Size dependence of the filter dust composition of a secondary copper smelting furnace

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Abstract

In the copper industry dusts are generated in various processes and separated from the off-gas by filters. Depending on the dust composition different options for processing of the dusts can be taken into account: recycling into the metallurgical process and hydrometallurgical processes or pyrometallurgical processes. The main components in the dust from a secondary copper smelting furnace were Zn and Pb. But there was also some Cu contained in this dust. Air classification of this dust showed that Cu was enriched in the coarse fraction while in the finest fraction Cu was depleted. In contrast, Zn and Pb were enriched in the finest fraction. Thus, air classification could be considered for separation of the filter dust into two fractions: a coarse fraction for recovery of Cu and a fine fraction which is discharged for recovery of Zn.

Original languageEnglish
Title of host publicationProceedings of the 2nd World Congress on Mechanical, Chemical, and Material Engineering, MCM 2016
PublisherAvestia Publishing
ISBN (Print)9781927877272
DOIs
Publication statusPublished - 2016
EventProceedings of the 2nd World Congress on Mechanical, Chemical, and Material Engineering, MCM 2016 - Budapest, Hungary
Duration: 22 Aug 201623 Aug 2016

Publication series

NameProceedings of the World Congress on Mechanical, Chemical, and Material Engineering
ISSN (Electronic)2369-8136

Conference

ConferenceProceedings of the 2nd World Congress on Mechanical, Chemical, and Material Engineering, MCM 2016
CountryHungary
CityBudapest
Period22.08.201623.08.2016

Keywords

  • Dust composition
  • Filter dust
  • Secondary copper smelter

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