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Article: New findings reported from M. Runkel and co-authors describe advances in mining.
- Article from:
- Mining & Minerals
- Article date:
- November 13, 2009
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According to recent research published in the Journal of the South African Institute of Mining and Metallurgy, "The roasting of sulphide ores and concentrates is often the first step in the production of metals or chemicals. in many processes, the production of sulphuric acid is viewed as a by-product, whereas in some plants production is an important economic factor. Regardless of the purpose, a pyrite roasting plant consists of mainly three plant sections: roasting, gas cleaning and sulphuric acid."
"With the addition of air, the pyrite concentrates are transformed into solid oxides and gaseous sulphur dioxide at temperatures of 600-1000 degrees C. After ...