|Series||Report of investigations (United States. Bureau of Mines) -- 7398|
|Contributions||Shedd, E., Marchant, J., Wong, M.|
Catalog Record: Electrowinning misch metal from a treated bastnasite concentrate | HathiTrust Digital Library. Misch metal was electrowon from a treated bastnasite concentrate in a ref3-lif-baf2 electrolyte at deg. C. The metal was prepared and tapped from a 1,ampere cell, and nearly percent utilization of the rare-earth oxide was achieved. Location of Repository Electrowinning misch metal from a treated bastnasite concentrate / By Edward S. Shedd, M. M. (Morton Min) Wong, J. D. Marchant and United States. The schematic procedure for leaching, purification and recovery of bismuth from this bismuth glance concentrate by electrowinning is presented in Fig. ng was carried out in mL glass flasks by adding a weighed amount of bismuth concentrate, sodium chlorate, sodium chloride and surfactant to diluted HCl solution at the desired temperature with magnetic stirring Cited by: 9.
The difference between the resistance ratios of the monazite and bastnasite misch metals is probably due to the higher lanthanum content in the bastnasite misch metal (see Section ). The resis- tance ratios of high purity light rare earths Cited by: The metal (see Table ) contains 11% to 40% rare-earth metals, 33% to 52% Si, 7% to 9% Al, 5% to % Ca, % to % C, and 12% to 20% Fe, and it has a density in the range to g/cm 3. Because the slag density is 3 to g/cm 3, such small differences can cause extra losses of REM with the slag. An injection of fluorspar and. Electrowinning of Aluminum 1. Aluminum Introduction Although it is the most abundant metallic element on the Earth’s surface, the “discovery” of aluminum is of a fairly recent date. Oersted probably isolated the first metallic aluminum (impure) File Size: KB. As-reduced rare earth metals, whether produced metallothermically or by fused salt electrowinning, are generally 98 to 99% pure. It is usually possible in certain cases, if care is taken to use pure raw materials and adopt controlled environment processing, to restrict the total impurities in the as-reduced metals to about %.
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