Converter Matte
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Converter Matte
an intermediate product (a nonferrous sulfide) in metallurgy, obtained during converter blowing of mattes. According to chemical composition, converter matte may be copper matte (Cu2S), nickel matte (Ni3S2), or cupronickel matte (Cu2S and Ni3S2). Copper matte is usually called white matte. Cupronickel matte is separated into copper sulfide and nickel sulfide concentrates by flotation before it is converted to metal.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.