Partial Roasting of High-Arsenic Copper Concentrates
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DOI: 10.1007/s11663-020-01893-x
Abstract: The partial roasting of high-arsenic copper concentrates at 973 K/998 K (700 °C/725 °C) under controlled atmosphere can remove > 95 pct of the arsenic contained in the concentrates, leaving a calcine with 52 to 68 wt pct bornite, 10 to 13 wt pct… read more here.
Keywords: partial roasting; high arsenic; copper concentrates; pct ... See more keywords
Automatic near-infrared hyperspectral image analysis of copper concentrates
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DOI: 10.1016/j.ifacol.2019.09.170
Abstract: Abstract The reflection of light on mineral samples have been widely used to obtain information concerning their composition. In particular, visible and near-infrared reflectance spectrum have offered an inexpensive way to obtain information about their… read more here.
Keywords: copper concentrates; image; analysis; near infrared ... See more keywords