Researchers in China have introduced a room-temperature process that extracts over 98% of gold from discarded electronics, including old phones, in less than 20 minutes, at a cost of about US$1,455 ...
The assay comparisons expose a negative bias in grade estimation practices used for calculating concentrate value and provides further incentive for concentrate producers to eliminate or reduce their ...
Additional critical mineral process improvements for the Alberta Hydrometallurgical Facility The NICO Project consists of a planned mine and concentrator in the Northwest Territories (“NWT”) and a ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果