used copper gold plants

2015 World Copper Factbook DRAFT - Copper Alliance Directory of Copper Mines and Plants highlights current capacity and provides a five year outlook of forecasted capacity for over 1,000 existing and planned copper mines, plants . Copper Smelting - IFC Copper Smelting Industry Description and Practices ... refining process, by-products such as gold and silver are collected as slimes that are subsequently recovered. Sources of wastewater include spent ... Closed-loop electrolysis plants will contribute to prevention of pollution. Gold, Chemical Element - uses, elements, examples, metal ... Large amounts of gold are still used in the manufacture of coins, medals, jewelry, and art. Gold also has a number of uses in industry, medicine, and other applications. For example, one radioactive isotope of gold is commonly used to treat cancer.    Read More