Processes and technologies for the recycling of spent fuorescent lamps

• Autorzy: Kujawski W. , Pospiech B.

Identyfikatory

DOI

10.2478/pjct-2014-0055

• Języki publikacji: EN

Abstrakty

EN

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 fluorescent 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.

Słowa kluczowe

EN

fluorescent lamps; recycling; rare earth elements (REE); hydrometallurgical process; pyrometallurgical; process; solvent extraction; leaching

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2014
• Tom: Vol. 16, nr 3
• Strony: 80--85
• Opis fizyczny: Bibliogr. 38 poz., rys., tab., wz.

Twórcy

autor

Kujawski W.

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

autor

Pospiech B.

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

Bibliografia

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