• Comprehensive review of hydrometallurgical processes for limonitic laterite, including reduction roasting-ammonia leaching, sulfuric acid pressure leaching, nitric acid pressure leaching, and the DNi process.
• Detailed analysis of mineralogical characteristics and typical mineral compositions of limonitic laterite ores.
• Emphasis on recovery methods for nickel, cobalt, scandium, and iron, highlighting the potential for comprehensive utilization.
• Provides strategic recommendations for industrial development and diversification, addressing the growing demand for nickel and the decline of sulfide ores.