Ligand-assisted dissolution and surface studies of phlogopite: Aspects for utilization

Mining produces large amounts of tailings and by-products worldwide, but their reuse is often limited by slow dissolution. This thesis focuses on phlogopite, a mica mineral, and investigates methods to improve its dissolution and utilization. Approaches such as mechanical milling, ultrasound-assisted leaching, and organic ligands were used to enhance potassium and magnesium release. Co-milling with gypsum and citric acid further increased potassium recovery by weakening the mineral structure. The study also shows that phlogopite residues can be processed into raw materials for low-carbon cement. Overall, the findings highlight phlogopite’s potential as a source of potassium and as a precursor for sustainable construction materials, offering new ways to utilize silicate-rich mining by-products.