The removal of toxic metal contaminants from aqueous waste streams is one of the most important environmental issues facing the United States today. Although this
In October of 1987, the U.S. Bureau of Mines (Bureau) initiated a study on the applicability of cyanide technology to the Alaska mineral industry. The
Tin and tungsten are critical and strategic minerals to the United States. The basis for such a designation exists in the historic and current (1989)
Metal separations and metal recoveries by ion exchange and solvent extraction of their thiocyanate complexes are widely practiced in analytical chemistry as well as in
One of the most frequently asked questions is: “Where is copper (price and usage) going?” I will not attempt to forecast either the future price
The need to move large tonnages of slurry has grown as mines have become larger. As existing tailing depositories are filled up, new mines developed,
We have been conducting research on methods for beneficiating platinum-palladium ores from the Stillwater Complex, Montana. The Stillwater Complex contains the only known major deposits
Environmental Setting A basic understanding of the climatic characteristics, geology, surface and groundwater hydrology conditions together with the physical and chemical characteristics of selected mill
A Tower mill consists of a vertical grinding vessel provided with a central shaft screw-shaped impeller. The screw impeller rotates in such a way as
Dewatering refuse tailings with a belt filter press has not been widely accepted by the Coal Industry. Part of the problem lies with the highly