Abstract: The present invention concerns a process for iron ore pellets production comprising at least one iron ore crushing stage in a roller press for the production of iron ore pellets. The crushing stage(s) can be done prior or after grinding, or still defined by successive passages of the material through the foregoing crushing stage.
Type:
Grant
Filed:
October 15, 1997
Date of Patent:
June 1, 1999
Assignee:
Companhia Vale Do Rio Doce
Inventors:
Geraldo Gon.cedilla.alves Freitas, Marcelo Da Silva Kelin, Joao Julio Ruschid Tolentino
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