Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Toni Helbig"'
Autor:
María Guadalupe Sánchez-Loredo, Salvador Antonio Palomares-Sánchez, Gladis Judith Labrada-Delgado, Toni Helbig, Paul Chekhonin, Doreen Ebert, Robert Möckel, Jones Owusu Afriyie, Norman Kelly
Publikováno v:
Nanomaterials, Vol 13, Iss 13, p 1977 (2023)
In this work, the extraction of vanadium (V) ions from an alkaline solution using a commercial quaternary ammonium salt and the production of metal vanadates through precipitation stripping were carried out. The crystallization of copper vanadates fr
Externí odkaz:
https://doaj.org/article/954dc18434004a4a9e8016b6e099108a
Publikováno v:
Minerals, Vol 10, Iss 6, p 556 (2020)
This study investigates the removal of aluminum and iron from rare earth element (REE) containing solutions by solvent extraction with saponified naphthenic acid and by hydrolysis-precipitation. The results emphasize both, the preferential applicatio
Externí odkaz:
https://doaj.org/article/9c81d31d1fd84a09a71b29119faee38e
Autor:
Kelly, María Guadalupe Sánchez-Loredo, Salvador Antonio Palomares-Sánchez, Gladis Judith Labrada-Delgado, Toni Helbig, Paul Chekhonin, Doreen Ebert, Robert Möckel, Jones Owusu Afriyie, Norman
Publikováno v:
Nanomaterials; Volume 13; Issue 13; Pages: 1977
In this work, the extraction of vanadium (V) ions from an alkaline solution using a commercial quaternary ammonium salt and the production of metal vanadates through precipitation stripping were carried out. The crystallization of copper vanadates fr
Autor:
Norman Kelly, Sabine Gilbricht, Toni Helbig, Franz Lehmann, Birgit Daus, Christiane Scharf, Roland Haseneder
Publikováno v:
Minerals Engineering 128(2018), 168-178
The investigation aims at a hydrometallurgical processing approach for an environmentally hazardous material called “Theisenschlamm”, which is a flue dust of former copper shale processing in Germany. Besides eliminating the negative environmenta