Rare earth polishing powder :the neglected gold
Cerium-based rare earth polishing powder is the most popular rare earth polishing powder. It has excellent polishing performance, improving surface smoothness. It is known as the “king of polishing powders.” The glass processing and electronics industries are the main downstream applications. About 70% of polishing powder waste is from polishing failure each year. The waste mainly consists of rare earth powder residues, waste liquids, glass fragments, and polishing cloth residues. The rare earth content in the waste is around 50%. Handling the waste rare earth polishing powder has become a major challenge for downstream companies. Currently, the common methods for recycling waste rare earth polishing powder are physical separation and […]