Abstract: The process type, mineralogical characters, texture and structure, grindability and deficiencies in the original beneficiation process for Donganshan lean red iron ores are analyzed, the research and improvement of the new beneficiation process for Donganshan lean red iron ores described and the characteristics of the new process analyzed.

Key words: Donganshan lean hematite ore, Magnetic separation-anionic reverse flotation, Slon high gradient magnetic separator