Peterson, R. E.

1926

• Beneficiation of a hemaititic taconite by reduction roasting, magnetic separation, and flotation
• Beneficiation of a western Mesabi nonmagnetic taconite after reduction roasting with lignite
• Low-rank coals and waste materials for reduction roasting and metallization of iron oxides
• Metallization of pelletized, domestic, iron oxide superconcentrates with lignite and coal in a rotary kiln
• Reduction roasting and beneficiation of a hematitic-geothitic taconite