Effect of Gold Tailing Addition on the Mechanical Properties and Microstructure of Foam Ceramics

Tailings, with their low utilisation rate and value, pose an urgent problem that needs to be solved. This study focused on foam ceramics glass granules, which were prepared using gold tailings as the main raw materials, microcrystalline investigated. The optimum sample (S6) of consists 77 wt% tailings, 6 talc, 9 bentonite, 2 calcite, 0.9 foaming agent 0.6% water reducer. temperature is 1190 °C, holding time 60 min. compressive strength bulk density samples are 7.4 MPa 396.4 kg/m3; nucleation temperature, crystallisation activation energy particles 700 °C ± 50 1100 1572 kJ/mol, respectively. Microanalysis results showed crystal phases mainly quartz, calcium silicate, aluminium crystallinity increases increasing tailing content. Wollastonite appeared in crystalline phase ceramics. When granule addition reached 30% (2–3 samples), was increased by 19% (8.81 MPa), pore size distribution more uniform.