Chalcopyrite Flotation, Molecular Design and Smart Industry: A Review

Area of Science:

• Mineral Processing
• Materials Science
• Chemical Engineering

Background:

• Chalcopyrite flotation is crucial for global copper production but faces challenges due to complex surface interactions and mineral coexistence.
• A review is needed to synthesize current knowledge and identify emerging trends in chalcopyrite flotation.
• Molecular design offers a promising avenue for developing advanced flotation reagents.

Purpose of the Study:

• To review the historical development and current trends in chalcopyrite flotation.
• To emphasize the role of molecular design in enhancing flotation efficiency and selectivity.
• To provide a theoretical reference for future research and industrial innovation in copper recovery.

Main Methods:

• Comprehensive literature search in the Scopus database using specific keywords and queries.
• Application of inclusion and exclusion criteria for article selection.
• Structuring the reviewed literature into three distinct research periods based on temporal and thematic analysis.

Main Results:

• The first period covers flotation fundamentals, including reagent dosage, surface chemistry, and metal ion effects.
• The second period focuses on analytical techniques for developing selective and sustainable reagents.
• The third period explores advanced tools like molecular simulations and machine learning for reagent design and mechanism understanding.

Conclusions:

• The evolution of chalcopyrite flotation shows a progression from fundamental understanding to sophisticated molecular design.
• Advanced computational tools are increasingly vital for designing custom reagents and understanding adsorption mechanisms.
• This review serves as a reference for optimizing copper flotation and recovery processes in the mining industry.