Complex processing of primary aluminum to remove impurities of non-ferrous metals

Abstract

The paper presents researches on the complex processing of primary aluminum produced by electrolysis with flux treatment with boron-containing materials and further filtration refining through granular filters. The research methods and applied instruments used for the analysis of the chemical composition and electron microscopy are described. The results are presented before and after the complex treatment of primary aluminum, showing a significant reduction in non-ferrous metal impurities (vanadium, titanium, etc.) and other undesirable impurities.

Keywords

• aluminum
• flux refining
• filtration refining
• non-ferrous metal impurities
• boron