<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The growing industrial application of rare earth metals led to great interest in the new technologies for the recycling and recovery of REEs from diverse sources. This work reviews the various methods for the recycling of spent fluorescent lamps. The spent fluorescent lamps are potential source of important rare earth elements (REEs) such as: yttrium, terbium, europium, lanthanum and cerium. The characteristics of REEs properties and construction of typical fl uorescent lamps is described. The work compares also current technologies which can be utilized for an efficient recovery of REEs from phosphors powders coming from spent fluorescent lamps. The work is especially focused on the hydrometallurgical and pyrometallurgical processes. It was concluded that hydrometallurgical processes are especially useful for the recovery of REEs from spent fluorescent lamps. Moreover, the methods used for recycling of REEs are identical or very similar to those utilized for the raw ores processing.</p></abstract>

The growing industrial application of rare earth metals led to great interest in the new technologies for the recycling and recovery of REEs from diverse sources. This work reviews the various methods for the recycling of spent fluorescent lamps. The spent fluorescent lamps are potential source of important rare earth elements (REEs) such as: yttrium, terbium, europium, lanthanum and cerium. The characteristics of REEs properties and construction of typical fl uorescent lamps is described. The work compares also current technologies which can be utilized for an efficient recovery of REEs from phosphors powders coming from spent fluorescent lamps. The work is especially focused on the hydrometallurgical and pyrometallurgical processes. It was concluded that hydrometallurgical processes are especially useful for the recovery of REEs from spent fluorescent lamps. Moreover, the methods used for recycling of REEs are identical or very similar to those utilized for the raw ores processing.

Processes and Technologies for the Recycling of Spent Fluorescent Lamps

Faculty of Chemistry Nicolaus Copernicus University, ul. Gagarina 7, 87-100 Torun, Poland

Czestochowa University of Technology, Department of Chemistry, ul. Armii Krajowej 19, 42-200 Czestochowa, Poland

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Processes and Technologies for the Recycling of Spent Fluorescent Lamps"}

The growing industrial application of rare earth metals led to great interest in the new technologies for the recycling and recovery of REEs from diverse...

Processes and Technologies for the Recycling of Spent Fluorescent Lamps

Published Online: Oct 03, 2014

Page range: 80 - 85

DOI: https://doi.org/10.2478/pjct-2014-0055

Keywords
fluorescent lamps, recycling, rare earth elements, hydrometallurgical process, pyrometallurgical process, solvent extraction, leaching

© by Wojciech Kujawski

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Processes and Technologies for the Recycling of Spent Fluorescent Lamps

Published Online: Oct 03, 2014

Page range: 80 - 85

DOI: https://doi.org/10.2478/pjct-2014-0055

Keywordsfluorescent lamps, recycling, rare earth elements, hydrometallurgical process, pyrometallurgical process, solvent extraction, leaching

© by Wojciech Kujawski

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
fluorescent lamps, recycling, rare earth elements, hydrometallurgical process, pyrometallurgical process, solvent extraction, leaching