Getting your Trinity Audio player ready... A company that wants to extract gold from piles of decades-old mining waste outside Leadville no longer plans to use cyanide in its processes after hearing ...

LEADVILLE, Colo.--(BUSINESS WIRE)--CJK Milling Company, LLC (CJK) is excited to announce the elimination of cyanide in our mill extraction process. “We listened to the concerns of the Leadville ...

To assist mining companies in managing and recovering cyanide, engineering consultancy AZMET Technology & Projects developed the AZMET cyanide recovery process (AZ-CRP) to provide an alternative to ...

Getting your Trinity Audio player ready... LEADVILLE — Millions of tons of waste from decades-old mining operations sit in the hills east of town. The brown and orange piles of abandoned ore rise 30 ...

Large quantities of cyanide solution have spilled into the Karasu River in Turkey after a pipe carrying cyanide exploded in a gold mine. But experts say the mine has always caused heavy environmental ...

THIS little book may be of value in giving general ideas on the cyanide process to those who know nothing about the subject. The possessor of the book may be put in a position to understand what is ...

MONTREAL, QUEBEC--(Marketwired - Jun 3, 2016) - Dundee Sustainable Technologies Inc. ("DST" or the "Corporation") (CSE:DST) is pleased to announce that it has received, from Environment Canada, ...