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 It might be outdated or ideologically biased.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.
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The topics discussed include smelting laterite concentrates to sulfide matte, extracting nickel and cobalt from sulfide ores, the slow cooling and solidification of converter matte, extracting cobalt from nickel laterite and sulfide ores, and smelting and converting sulfide concentrates containing platinum-group metals.
Extractive metallurgy of nickel, cobalt and platinum-group materials
Converter matte and slag assays are also rapidly delivered electronically.
Nickel converter mattes were sampled and assayed for iron content and, at a target level of |less than~0.8% Fe, the matte was cast.
Sampling and assaying at Inco's Copper Cliff smelter

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