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New recycling method for grinding sludge from the production of Permanent Magnets (Alnico)

  • Silesian University of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

In the grinding process of steel products, considerable amounts of grinding dust are generated, polluted with coolant (oil, oil emulsions), and non-metallic material from abrasive (silicon carbide, aluminum oxide and others). Grinding sludge generated as a result of this mechanism is a valuable source of post-industrial waste containing, apart from iron, such alloying elements as: cobalt, nickel, copper, tungsten, molybdenum, and vanadium. Considering the metallurgical value of grinding sludge, a method for recovering these elements from the sludge has been developed. The article presents a recycling method in a three-stage technological process consisting of sludge de-oiling, sintering, and re-melting in an electrical furnace.

Original languageEnglish
Title of host publicationMETAL 2018 - 27th International Conference on Metallurgy and Materials, Conference Proceedings
PublisherTANGER Ltd.
Pages136-142
Number of pages7
ISBN (Electronic)9788087294840
Publication statusPublished - 2018
Event27th International Conference on Metallurgy and Materials, METAL 2018 - Brno, Czech Republic
Duration: 23 May 201825 May 2018

Publication series

NameMETAL 2018 - 27th International Conference on Metallurgy and Materials, Conference Proceedings

Conference

Conference27th International Conference on Metallurgy and Materials, METAL 2018
Country/TerritoryCzech Republic
CityBrno
Period23/05/1825/05/18

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 9 - Industry, Innovation, and Infrastructure
    SDG 9 Industry, Innovation, and Infrastructure

Keywords

  • Grinding dust
  • New recycling method
  • Steel

ASJC Scopus subject areas

  • Mechanics of Materials
  • Surfaces, Coatings and Films
  • Metals and Alloys

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