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
Investigation of arsenic removal from copper concentrates by alkaline sulphur leaching
Sign Up to like & getrecommendations! Published in 2025 at "Physicochemical Problems of Mineral Processing"
DOI: 10.37190/ppmp/204050
Abstract: This study investigated the removal of arsenic from copper concentrates by alkaline sulphur leaching. The first set of mineralogical investigations was carried out as part of the study. It has been assessed that arsenic is… read more here.
Keywords: sulphur leaching; concentrate; copper concentrates; alkaline sulphur ... See more keywords