Apple says it has told suppliers to stop buying minerals from Congo
Apple's statement came in response to a criminal complaint filed earlier in the day against the company in France and Belgium.
Eco Refractory Solutions has tested its hydrometallurgical process for refractory gold ores for a second client, Canadian Mining Journal reports. The company says it was successful in recovering 98.1% of the contained gold in 24 hours using little cyanide. Follow-up carbon-in-leach tests confirmed the high recovery rate.