Low-toxicity non-cyanide recovering high-sulfur refractory gold ore via microwave roasting self-leaching process: Response surface optimization and mechanism study

Key Points

• Gold recovery rates improved significantly through response surface optimization and microwave roasting techniques.
• A focus on low-toxicity processes allows for safe extraction from high-sulfur refractory gold ore, minimizing environmental impact.
• Microwave roasting method combined with self-leaching processes showed effective results in laboratory trials, enhancing recovery efficiency.
• This approach highlights the potential for advanced recovery techniques in the mineral processing industry with implications for sustainable practices.