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Phase composition of Katowice - Wełnowiec pytometallurgical slags: preliminary SEM study

Warchulski R., Szopa K.

Contemporary Trends in Geoscience

2014

Vol. 3, iss. 1

76--81

Exploitation on Zn-Pb ores in Upper Silesia region dates back to the XIII century. Analyzed slags are associated with Hohenlohe smelting plant which started its work in 1804 as an iron smelter, and continued as zinc smelter since 1873. Waste material from smelting plant production was stored in Katowice – Wełnowiec, although nowadays most of it has been used for commercial purposes. Slags are composed of silicates and aluminosilicates, e.g. willemite, pyroxene- and melilite-group, K-feldspar accompanied by silico-phosphates close to perhamite, harrisonite and arsenate-chloride with composition similar to nealite. Chemical composition of most phases is simple with some unique substitutions in case of Sr and Ce.