Since the modern gold rushes of the 1970s and 1980s, gold has been one of Australia's major exports. Australia is the second-largest gold producer globally behind China and holds the second largest ...

Scientists at Australia’s national science agency, CSIRO, have developed a new process designed to improve gold recovery and recycle toxic cyanide used in mining. The method, called ‘Sustainable Gold ...

As a typical representative of solid waste, gold tailings are still less than 40% in comprehensive utilization rate because of the excessive cyanide content. In order to reduce the mining cost of ...

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 ...

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 ...

One of the main unit operations in metallurgical processing plant designs is gold leaching. The traditional cyanidation process was chosen and is currently in widespread use. However, the mining ...

Study shows new chloride-based process recovers 84% of gold compared to the 64% recovered with traditional methods. Gold is one of the world's most popular metals. Malleable, conductive and ...

At Flinders University, scientists have cracked a cleaner and greener way to extract gold—not just from ore, but also from our mounting piles of e-waste. By using a compound normally found in pool ...

University of Edinburgh researchers have developed a novel method for extracting precious metals, including gold, from mobile devices and other electronic gadgets. The process is novel not only in its ...