Abstract
Extracting strategic metals from currently unused materials is an exciting research topic. Combining the quest for new applications of materials currently going to landfill with a smart way of managing secondary resources, this paper explores the application of an automated mineralogy system. With respect to rising demands for commodities, secondary resource investigation is coupled with a study of responses of stabilised fly ash to metal extraction techniques. Thus, the evolution of particles to different treatment steps is analysed and processes evaluated. Ash-based secondary resources are notoriously difficult to analyse, as particle sizes are small and high contents of amorphous material render classic mineralogy analyses difficult.
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