Abstract: In view of the problems of low metal recovery and low concentrate grade in the original production process, based on the experimental study and combined with the actual production, the mineral processing is transformed and the equipment is updated, which greatly improves the metal comprehensive recovery index and creates considerable economic benefits for the enterprise. At the same time it provides valuable practical experience for ore-dressing of the skarn type iron ore.

Key words: Skarn type magnetite, Technology improvement, Comprehensive recovery