The Denver Post

Plan to use cyanide to extract gold from Leadville mining waste has residents concerned

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 ...
The Aspen Times

State joins mining association in lawsuit over cyanide process

SUMMIT COUNTY ” State officials have joined the Colorado Mining Association (CMA) in challenging Summit County’s popular mining regulations in court. The CMA, a powerful lobbying and trade group, sued ...
Business Wire

CJK Milling Company Selects Extrakt Process Solution’s TNS™ and its Non-Cyanide Leach Technology to Recover Gold and Silver for Its Remediation Operation in Leadville, Colorado

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 ...
Hosted on MSN

Silver plating goes green: Phosphorus compounds replace toxic cyanide in new process

A research team has developed the world's first eco-friendly silver (Ag) plating technology using a phosphorus (P) compound as a key plating component. This breakthrough technology enables silver ...
Mining Weekly

Recovery process aiding cyanide detox

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 ...