Valorization of mining wastes in alkali-activated materials

Thesis event information

Date and time of the thesis defence

Place of the thesis defence

OP auditorium (L10)

Topic of the dissertation

Valorization of mining wastes in alkali-activated materials

Doctoral candidate

Master of Research (MRes) He Niu

Faculty and unit

University of Oulu Graduate School, Faculty of Technology, Fibre and Particle Engineering Research Unit

Subject of study

Process and Environmental Engineering

Opponent

PhD/Professor Konstantinos Komnitsas, Technical University of Crete

Custos

PhD/Professor Mirja Illikainen, University of Oulu

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Transforming mining wastes into alternative cementitious materials

The mineral residues from mining industry have potential to be used as secondary raw materials for alkali-activated materials (AAM) with the purpose for alternative cementitious materials. Mining waste-based AAMs were produced by alkali activation of mechanochemically activated mine tailings and mining waste rock. Two synergies with metakaolin and blast furnace slag were investigated to better understand the chemical and physical effects of mine tailings in the alkali-activated co-binder systems.
Last updated: 9.8.2022