Efficient and selective leaching of nickel and cobalt from nickel laterite ore by a combined atmospheric acid leaching-ferric chloride solution leaching process: optimization and mechanism

Key Points

• The leaching process achieves efficient extraction of nickel and cobalt, emphasizing selectivity over iron.
• Nickel and cobalt recovery improved through a combined leaching method, with a focus on optimization of conditions.
• Development of a novel method enhancing extraction efficiency demonstrates potential for industrial applications.
• Findings indicate that this approach offers a sustainable alternative for processing nickel laterite ores and improving resource utilization.