Presentation Information

[2B05]Environmentally sound management of mercury and recovery of phosphor powder containing rare earth elements in recycling waste fluorescent lamps

○Hiroki Iwase1 (1. Nomura Kohsan Co.,Ltd.)

Keywords:

mercury,fluorescent lamps,rare earth elements

Nomura Kohsan Co., Ltd. specializes in the environmentally sound management of a wide variety of mercury-containing wastes. The wastes treated by the company include spent dry cell batteries, waste fluorescent lamps, and mercury-containing sludge. While the primary objective of the treatment process is the recovery of mercury, the company also actively promotes the recovery and recycling of other valuable resources contained in these wastes.This paper presents a case study on the treatment of waste fluorescent lamps, focusing on the recovery of mercury and phosphor powder containing rare earth elements.