Search for dissertations about: "rare metals"

Showing result 1 - 5 of 58 swedish dissertations containing the words rare metals.

  2. 1. Leaching and solvent extraction of rare earth metals from fluorescent lamp waste

    Author : Cristian Tunsu; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; rare earth metals; leaching; waste treatment; solvent extraction; Cyanex 923; florescent lamp waste; recycling;

    Abstract : With the rapid advancement of technology, the demand for elements such as rare earth metals (REMs) has increased considerably during the last decade. Many countries are facing problems securing sustainable supplies, a fact acknowledged in many publications. READ MORE

  4. 2. Studies of Material Properties using Ab Initio and Classical Molecular Dynamics

    Author : Love Koči; Börje Johansson; Rajeev Ahuja; Dario Alfè; Uppsala universitet; []
    Keywords : Atomic and molecular physics; molecular dynamics; phase transitions; melting; elasticity; equation of state; metals; rare gases; Atom- och molekylfysik;

    Abstract : In this thesis, material properties have been examined under extreme conditions in computer-based calculations.The research on iron (Fe), nickel (Ni), and ferropericlase (Mg1-xFexO) are not only important for our understanding of the Earth, but also for an improved knowledge of these materials per se. READ MORE

  5. 3. Internal magnetic properties in rare earth metals and compounds

    Author : Mikael Ekström; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physics; Fysik; Physics; Fysik; fysik; Physics;

    Abstract : In gadolinium the pressure dependence of the local field has been studied. Applied field up to 0.6 GPa have a very strong influence on the local muon fields. READ MORE

  6. 4. Bulk properties of the rare earth and related metals

    Author : Anders Rosengren; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : .... READ MORE

  7. 5. Selective Comminution Applied to Mineral Processing of Critical Metals

    Author : Lorena Guldris Leon; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; selective comminution; compressive crushing; analytical method; minerals; critical metals; elements.;

    Abstract : The outstanding properties of tungsten and tantalum make them valuable metals and, in some cases, irreplaceable in applications. Due to the vital economic importance and limited supply, growing interest places these metals on the critical metals risk list. READ MORE