EXTRACTION OF CRITICAL ELECTRONIC MATERIALS FROM STEELMAKING WASTES

Author

W. C. Hartzell
Michael S. Moats, Missouri University of Science and TechnologyFollow

Abstract

The stable domestic supply of gallium, indium, and germanium has been identified as a critical need for the United States. Electric arc furnace dusts, processed to recover zinc, produce a residue that could be a potential source of these critical materials. An industrial zinc leach residue was characterized to determine its particle size, chemical composition, and predominant mineral phases. Heated, atmospheric, agitated leaching using sulfuric acid and hydrochloric acid was examined to determine the extractions of gallium, indium, and germanium as a function of concentration and temperature. Extractions of gallium were found to be similar to iron in all experiments. The maximum percentage of Ga, Ge, and In leached into solution were 71%, 63%, and 48%, respectively.

Recommended Citation

W. C. Hartzell and M. S. Moats, "EXTRACTION OF CRITICAL ELECTRONIC MATERIALS FROM STEELMAKING WASTES," SME Annual Conference and Expo 2023, Springer, Jan 2023.

The definitive version is available at https://doi.org/10.1007/s42461-023-00819-w

Department(s)

Materials Science and Engineering

International Standard Book Number (ISBN)

978-171387236-8

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2023 Springer, All rights reserved.

Publication Date

01 Jan 2023