Method for manufacturing low carbon ferrochrome with high...

Details Method for manufacturing low carbon ferrochrome with high... Method for manufacturing low carbon ferrochrome with high...

C - Chemistry, Metallurgy

22

C

53/53

C22C 27/06 (2006.01) C22C 33/00 (2006.01) C22C 35/00 (2006.01)

Patent

CA 2002790

THE ABSTRACT OF THE DISCLOSURE A method for manufacturing low carbon ferrochrome with high chromium content comprises the steps of at least once nitriding and crushing low carbon ferrochrome as materials, crushed ferrochrome being obtained, subjecting the ferrochrome nitride to an acid treatment while stirring the ferrochrome nitride in an acid solution, ferrochrome nitride, from which iron has been removed, being obtained, and denitriding the ferrochrome nitride, from which iron has been removed, by heating the ferrochrome nitride in a vacuum.

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