patent of iron ore process

US6226891B1 - Method and apparatus for drying iron ore pellets .Meyer K. Pelletizing of Iron Ores. . The Lurgi Pelletizing Process: A Combined Updraft-Downdraft Technique. J. of Metals.patent of iron ore process,WO2014063211A1 - Iron ore concentration process with grinding .US3502271A * 1967-05-29 1970-03-24 Univ Minnesota Iron ore treating process. CN102580842A * 2012-02-15 2012-07-18.Brazilian company patents innovative dry iron ore processing .May 6, 2016 . The Brazilian company New Steel S/A has developed an innovative technology that promises to transform mining into an environmentally.

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patent of iron ore process