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Recycling of Rare Earths

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  • 130 Pages
  • March 2022
  • Materials Research Forum
  • ID: 5534179
The recycling of rare earth elements is one of the great challenges for establishing a green economy. Rare earths play an essential role in a great many high-tech products and processes: electronic display screens, computer monitors, cell phones, rechargeable batteries, high-strength magnets, catalytic converters, fluorescent lamps etc. Recycling these materials not only results in invaluable materials for new products; it also helps in reducing mountains of discarded products. The recycling methods discussed include bioleaching, biosorption, siderophores, algae and seaweed. carbon-based nanomaterials, silica, pyrometallurgy, electrochemistry, hydrometallurgy, solvent extraction and the use of various absorbents. The book references 253 original resources with their direct web links for in-depth reading.


Dr. Fisher has wide knowledge and experience of the fields of engineering, metallurgy and solid-state physics, beginning with work at Rolls-Royce Aero Engines on turbine-blade research, related to the Concord supersonic passenger-aircraft project, which led to a BSc degree (1971) from the University of Wales. This was followed by theoretical and experimental work on the directional solidification of eutectic alloys having the ultimate aim of developing composite turbine blades. This work led to a doctoral degree (1978) from the Swiss Federal Institute of Technology (Lausanne). He then acted for many years as an editor of various academic journals, in particular Defect and Diffusion Forum. In recent years he has specialized in writing monographs that introduce readers to the most rapidly developing ideas in the fields of engineering, metallurgy and solid-state physics. He is co-author of the widely-cited student textbook, Fundamentals of Solidification. Google Scholar credits him with 8311 citations and a lifetime h-index of 17.