TORONTO (miningweekly.com) – Dundee Sustainable Technologies (DST), a division of Dundee Corporation, announced on Friday that it had received an independent certification of the performance of its ...

Quebec-based Dundee Sustainable Technologies is slashing leaching time and extracting more gold without using toxic cyanide in a new process geared for mining’s future. The trademarked process, called ...

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 ...

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 concerns from locals about the toxic ...

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 feet, peeking over the pines. A company in ...

In the gold-mining process, the precious metal is often extracted from low-grade ore in a technique known as gold cyanidation. As its name suggests, the process utilizes highly-poisonous cyanide, some ...

Dear EarthTalk: Most gold mining operations use cyanide to extract gold from surrounding rock. What are the environmental implications of this, and are there alternatives? --J. Pelton, via e-mail ...

Gold mining today is far from the charming, if soggy, practice of standing in a river and trying to sift out gold nuggets. Today, miners sift out gold from a river of cyanide, basically: They mine ...

A research team at the University of Saskatchewan has found what may be an inexpensive and environmentally-friendly way of recycling gold from jewelry and electronics. Using a solution of what is ...

Dundee Sustainable Technologies (DST) is forging partnerships with top gold miners as it commercializes its novel metallurgical processes, which have been proven to reduce leaching time and extract ...