INVESTIGATIONS TO THE LUMINANT RECYCLING

Authors
RADEKE KH RIEDEL V WEISS E KUSSIN P GOSSE I
Citation
Kh. Radeke et al., INVESTIGATIONS TO THE LUMINANT RECYCLING, Chemische Technik (Berlin. 1949), 50(3), 1998, pp. 126-129
Citations number
7
Categorie Soggetti
Engineering, Chemical
Journal title
Chemische Technik (Berlin. 1949) → ACNP
ISSN journal
00456519
Volume
50
Issue
3
Year of publication
1998
Pages
126 - 129
Database
ISI
SICI code
0045-6519(1998)50:3<126:ITTLR>2.0.ZU;2-9
Abstract
In the process of recycling of fluorescent tubes in Germany 200 t per annum of luminants are still deposited as toxic wastes because of merc ury traces. These luminants contain about 10% of Y2O3 and 0,3% Eu2O3 a nd are, therefore, valuable rare earth sources, A process is shown for yielding the Y2O3 component in 99,99% purity and its costs are compar ed with international market prices.