| Title | Rare earths recovery from NiMH spent batteries |
|---|---|
| Publication Type | Articolo su Rivista peer-reviewed |
| Year of Publication | 2002 |
| Authors | Pietrelli, L., Bellomo B., Fontana Danilo, and Montereali Maria Rita |
| Journal | Hydrometallurgy |
| Volume | 66 |
| Pagination | 135-139 |
| ISSN | 0304386X |
| Keywords | cobalt, Electric batteries, Hydrometallurgy, leaching, Nickel compounds, Precipitation (chemical), Rare earth elements, Separation, Spent batteries, X ray diffraction analysis |
| Abstract | Nickel-metal hydride batteries (NiMH) contain rare earths (RE) and a variety of valuable metals such as nickel and cobalt. Using a hydrometallurgical process developed for the recovery of metals from spent batteries, a selective separation of RE by precipitation of Sodium RE double sulfate can be performed. Leaching solution was obtained by using 2 M H2SO4 at 20 °C. The paper reports the experimental studies involving the precipitation process and the characterisation by X-ray diffraction of the resulting product (Sodium RE double sulfates). It has been shown that it is possible to recover about 80% of the RE contained in spent NiMH batteries. © 2002 Elsevier Science B.V. All rights reserved. |
| Notes | cited By 70 |
| URL | https://www.scopus.com/inward/record.uri?eid=2-s2.0-0036784238&doi=10.1016%2fS0304-386X%2802%2900107-X&partnerID=40&md5=11929e1cbb7cae7937bb3d05be02a66f |
| DOI | 10.1016/S0304-386X(02)00107-X |
| Citation Key | Pietrelli2002135 |
