• Cyclone slurry electrolysis combines cyclone technology with slurry electrolysis for direct bismuth extraction from sulfide concentrates in a single process.
• Achieves 95.19% bismuth leaching efficiency into anodic acid solution under optimal conditions.
• Cathodic recovery efficiency reaches 91.13% with bismuth purity of 99.26%, outperforming traditional hydrometallurgy.
• Eliminates low-concentration SO2 pollution and shortens process time compared to conventional methods.