Purification and refinement of fine clay minerals (kaolin, bauxite, etc.): remove the fine weak magnetic staining impurity particles (Fe2O3, TiO2) in clay minerals;

The content of Fe2O3 in quartz sand, feldspar and barite is reduced;

Reduce the content of copper in molybdenum concentrate;

Coal ash and sulfur removal;

Improve the quality of apatite;

Selection of rare earth minerals, beach placers and other useful minerals;

The abrasive particles in lubricating oil are removed continuously, and the lubricating oil is recycled;

Filtration of raw liquid, recovery and purification of catalyst and other useful materials in chemical, instrument and petroleum industries;

Filtration of feed water and condensate water in nuclear power plant and thermal power plant;