Title: Perspectives for the recovery of rare earths from end-of-life fluorescent lamps
Authors: Binnemans, Koen ×
Jones, Peter Tom #
Issue Date: 2014
Publisher: International Academic Publishers
Series Title: Journal of Rare Earths vol:32 issue:3 pages:195-200
Abstract: This vision paper discusses the advantages and disadvantages of the three main options for the recycling of rare-earth elements from end-of-life fluorescent lamps: (1) direct re-use of the lamp phosphor mixture; (2) separation of the lamp phosphor mixture into the different phosphor components; (3) recovery of the rare-earth content. An overview is given of commercial activities in
Europe in the domain of recycling of materials from end-of-life fluorescent lamps and the recovery of rare earths from these lamps. The collection of end-of-life fluorescent lamps is currently driven by a legal framework that prohibited the release of mercury to the environment. The contaminations of the lamp phosphor powders by mercury and by small glass particles of crushed fluorescent lamps are limiting factors in the recycling process. Research should be directed to an advanced clean-up of the reclaimed lamp phosphor fraction, and in particular to the removal of mercury and glass fragments. The recovery of rare earths from the lamp phosphors could be facilitated by taking advantage of the differences in resistance of the different lamp phosphors by chemical attack by inorganic acids and bases.
ISSN: 1002-0721
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Design and Synthesis
Sustainable Metals Processing and Recycling
× corresponding author
# (joint) last author

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