Amid ongoing challenging rough diamond trading conditions, De Beers has revised its production guidance for 2025 to between 20-million and 23-million carats, compared with previous guidance of between ...
By: Sabine Dall’Omo - CEO of Siemens Sub-Saharan Africa As the global mining industry enters an era of rapidly evolving automation, Africa will emerge as a leader in embracing autonomous machinery, ...
Calcination has been widely employed. However, it has a high energy cost and environmental issues due to the release of toxic gases containing arsenic. In the treatment of refractory gold ores ...