Abstract
The purpose of this chapter is to summarize the current status of the recycling technologies for the recovery of rare earths (i.e., yttrium, europium, terbium, lanthanum, and cerium) from spent fluorescent lamps, cathode ray rubes, and exhausted catalysts. The uses of these elements, especially for high-tech devices are increased in the recent years and combined with the scarcity of the primary sources and the environmental impact of the technologies to extract them from ores make the recycling waste a priority. For each type of waste this chapter contains a description of the most relevant scientific works and industrial application for the treatment of the waste at the end of their life. In the second part the recycling processes developed within HydroWEEE projects (grant number 231962; 308549) were presented.
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