Journal Article10.1002/CITE.201650166
Bioleaching of Metals and Rare Earth Elements from Secondary Raw Materials Using Acidophilic Bacteria and Fungi
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About: This article is published in Chemie Ingenieur Technik. The article was published on 01 Sep 2016. The article focuses on the topics: Bioleaching.
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Citations
Recycling of Florescent Phosphor Powder Y2O3:Eu by Leaching Experiments
Romy Auerbach,Katrin Bokelmann,Stefan Ratering,Rudolf Stauber,Sylvia Schnell,Jörg Zimmermann +5 more
TL;DR: In this paper, a selective leaching towards Y in bio-leaching batches was observed and already after four days 100 % could be leached and the initial Fe3+ in the medium was identified as the driving force and lower extraction efficiencies of the biotic batches were attributed to a biosorption process and to high pH-values.
Diffusion Behavior of Heavy Rare-Earths for Grain Boundary Engineering of Sintered Nd-Fe-B-based Permanent Magnets Produced by the 2-Powder Method
Konrad Opelt,Chi‐Chia Lin,Mario Schönfeldt,Jürgen Gassmann,Songhak Yoon,Oliver Gutfleisch +5 more
TL;DR: The 2-powder method is a novel process for producing high-performance sintered magnets with reduced heavy rare-earth content. The diffusion behavior of Dy in Nd-Fe-B magnets produced by the 2-powder method is investigated. The diffusion coefficient for Dy is determined and magnets containing different Dy contents are produced. The 2-powder method offers a constant coercivity gain of 120 kA/m per added Dy content without significant decrease in remanence.