Electrolysis, rather than smelting, for extracting iron from its ores is being developed by the Ford Motor Co. Reason: conventional smelting is not economical in the U.S. for ores which assay less than 40%, and Ford owns great deposits of low-grade (20-30%) ores near unused water power in Upper Michigan.
Thomas Edison once tried magnetic concentration of low-grade iron ore, as Henry Ford discovered in the records of Edison's Menlo Park Laboratory while rebuilding it in his Greenfield Village. So Ford gave this line of research in 1929 as a first assignment to Robert...
To continue reading:
or
Log-In
