Used as a precursor in the production of cerium oxide, which is essential in catalytic converters for automotive emission control. Plays a role in glass polishing and decolorization, improving clarity and finish in optical and display glass. Employed in the manufacture of phosphors for lighting and display technologies. Acts as a dopant or stabilizer in solid oxide fuel cells and other high-temperature materials. Also utilized in environmental applications for removing pollutants from wastewater due to its adsorption properties.