Recycling of rare earths a critical review ScienceDirect
Highlights Less than 1% of rare earths in end of life consumer products are being recycled. Recycling can help to ensure a supply of the most critical rare earths. Valuable waste streams are magnets, metal hydride batteries and lamp phosphors. Recycling of neodymium avoids overproduction of cerium and lanthanum. Recycling and primary mining of rare earths are complementary activities.
Heroes and Villains A little light reading. Here you will find a brief history of technology. Initially inspired by the development of batteries, it covers technology in general and includes some interesting little known, or long forgotten, facts as well as a few myths about the development of technology, the science behind it, the context in which it occurred and the deeds of the many
Medical Air Filtration Guide. Air filtration products to prevent small particulate matter or micro organisms from entering the body demands a comprehensive understanding of the dynamics of motion from which ideas on how to inhibit that motion may be developed.
The significant environmental effects of surface mines attract attention wherever the mines are located. Alteration of terrain, destruction of plant life and adverse effects on indigenous animals are inevitable consequences of surface mining.
GOLDSHEET Mining Directory Subpage covering mining services. D; DE Group Leading contract manufacturing services provider of mechanical gears, hydraulic valves, precision aluminum casting and more for mining, petroleum, and industrial applications. DUX Machinery Corporation Manufacturer of underground mining equipment. Site includes information on DUX dumpers, teledumpers, scoop