Chilean miner Antofagasta has agreed with some Chinese smelters to set copper concentrate processing fees at a record low of $0 per metric ton and $0 cent per pound, four sources with the knowledge of ...

A “plug-and-play” microbial technology enables the recovery of additional copper from low-grade ores when used alongside ...

Ivanhoe’s plan is to mine, process and produce a 99 per cent pure copper cathode product that goes out the gate to U.S. customers in homebuilding, manufacturing and the defence industry.

In this study, green orange peel (GOP) was feasibly evidenced in preparing selenium nanoparticles (SeNPs). Acting as reducing agents, polyphenolic compounds were extracted from GOP at the optimal ...

Researchers are now aiming to develop multifunctional materials that are nontoxic, minimal in cost, and simple to produce and have superior efficiency for large-scale electrochemical sensor ...