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US20080156144A1

US20120174709A1 - Manufacturing Method of

Provided is a manufacturing method of ferromolybdenum from molybdenite concentrate,and more particularly,a manufacturing method of ferromolybdenum with copper content of 0.5% or less from molybdenite with high copper content without carrying out a separate copper removing process by putting molybdenite,aluminum metal and iron metal,in a heating furnace and reacting them at highUS20120174709A1 - Manufacturing Method ofProvided is a manufacturing method of ferromolybdenum from molybdenite concentrate,and more particularly,a manufacturing method of ferromolybdenum with copper content of 0.5% or less from molybdenite with high copper content without carrying out a separate copper removing process by putting molybdenite,aluminum metal and iron metal,in a heating furnace and reacting them at highUS20080156144A1 - Method for reducing to metallicUS20080156144A1 US11/964,130 US96413007A US2008156144A1 US 20080156144 A1 US20080156144 A1 US 20080156144A1 US 96413007 A US96413007 A US 96413007A US 2008156144 A1 US2008156144 A1 US 2008156144A1 Authority US United States Prior art keywords slag furnace electric arc powdered aluminum chromium Prior art date 2006-12-28 Legal status (The

FERROCHROME ALLOY PRODUCTION - BOUWER PETRUS

US20080156144A1 2008-07-03 GB236739A 1925-07-16 Attorney,Agent or Firm SPOOR FISHER et al.(P O Box 454,0001 Pretoria,ZA) Download PDF View/Download PDF PDF Help.Claims CLAIMS .1.A process for recovering ferrochrome alloy and chrome from slag containing entrained ferrochrome alloy and Cr 2 0 3,wherein:FERROCHROME ALLOY PRODUCTION - BOUWER PETRUSUS20080156144A1 2008-07-03 GB236739A 1925-07-16 Attorney,Agent or Firm SPOOR FISHER et al.(P O Box 454,0001 Pretoria,ZA) Download PDF View/Download PDF PDF Help.Claims CLAIMS .1.A process for recovering ferrochrome alloy and chrome from slag containing entrained ferrochrome alloy and Cr 2 0 3,wherein:FERROCHROME ALLOY PRODUCTION - BOUWER PETRUSUS20080156144A1 2008-07-03 GB236739A 1925-07-16 Attorney,Agent or Firm SPOOR FISHER et al.(P O Box 454,0001 Pretoria,ZA) Download PDF View/Download PDF PDF Help.Claims CLAIMS .1.A process for recovering ferrochrome alloy and chrome from slag containing entrained ferrochrome alloy and Cr 2 0 3,wherein:

Cited by 3Publish Year 2007Author Sang-Yuel Jung,Yong Hwan Kim,Sun-Min Byun,Sang-Beom Lee,Hyun-Chul ChunRU2677197C1 - Method for manufacturing ferrovanadium

FIELD metallurgy.SUBSTANCE invention relates to the field of metallurgy,in particular to the production of ferroalloys by the aluminothermic method.In the method,the initial vanadium-containing material is crushed,mixed with a carbonaceous reducing agent with a ratio of the sum of vanadium pentoxide and iron oxides to carbon 1:(0.040.08) contained in it,the mixture is agglomerated 12NextUS20080156144A1 - Method for reducing to metallicUS20080156144A1 US11/964,130 US96413007A US2008156144A1 US 20080156144 A1 US20080156144 A1 US 20080156144A1 US 96413007 A US96413007 A US 96413007A US 2008156144 A1 US2008156144 A1 US 2008156144A1 Authority US United States Prior art keywords slag furnace electric arc powdered aluminum chromium Prior art date 2006-12-28 Legal status (The12Next

123NextUS20080156144A1 - Method for reducing to metallic

US20080156144A1 US11/964,130 US96413007A US2008156144A1 US 20080156144 A1 US20080156144 A1 US 20080156144A1 US 96413007 A US96413007 A US 96413007A US 2008156144 A1 US2008156144 A1 US 2008156144A1 Authority US United States Prior art keywords slag furnace electric arc powdered aluminum chromium Prior art date 2006-12-28 Legal status (The

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