Patents Assigned to Ferrolegeringar Trollhatteverken AB - Justia Patents Search

Patents Assigned to Ferrolegeringar Trollhatteverken AB

Conversion of molybdenite concentrate to ferro-molybdenum and simultaneous removal of impurities by direct reduction with sulfide forming reducing agents

Patent number: 4101316

Abstract: Copper containing molybdenite concentrates are reduced in a ferro-manganese melt or a melt of ferro-manganese and iron to produce a molybdenum-iron material having significantly low copper and sulfur content therein.

Type: Grant

Filed: April 8, 1977

Date of Patent: July 18, 1978

Assignee: Ferrolegeringar Trollhatteverken AB

Inventor: Jan Wallen