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Recovery of Eu and Y from Waste Fluorescent Lamps

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F17%3A43914127" target="_blank" >RIV/60461373:22310/17:43914127 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Recovery of Eu and Y from Waste Fluorescent Lamps

  • Original language description

    Eu and Y were extracted from waste fluorescent lamps containing ~0.3% Eu and 7% Y by acidic leaching, hydrolytic precipitation and/or solvent extraction. The leaching tests showed that about 90% Eu and 95% Y were leached in 3M HCl or 3M HNO3 at 80°C, liquid to solid ratio 10:1 in 30 min. Leaching in H2SO4 provided lower Eu and Y extraction efficiency. Only around 85% Eu and 80% Y were extracted at temperatures higher than 70°C. Eu and Y started precipitating simultaneously at pH 1.5 and the precipitation completed at ~ pH 2. Solvent extraction of Eu and Y from sulfate solutions using D2EHPA is strongly influenced by solution pH. At pH 1.4 about 80% Eu and 100%Y were extracted while at pH 1.16 only 25% Eu was extracted together with 90% Y.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of the Polish Mineral Engineering Society

  • ISSN

    1640-4920

  • e-ISSN

  • Volume of the periodical

    39

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    PL - POLAND

  • Number of pages

    6

  • Pages from-to

    23-28

  • UT code for WoS article

    000407742700005

  • EID of the result in the Scopus database