Subduction zones are the most important sites of material exchange between the crust and mantle on Earth. They are also the ...

The Cu POX process is a proven hydrometallurgical method for the treatment of copper sulfide concentrates at lower capacities. The heart of this process is Metso’s proprietary OKTOP autoclave ...

Hydrogen sulfide in water causes no known health effects. However, high concentrations do change the taste of the water. Hydrogen sulfide dissolved in water corrodes metals such as iron, steel, copper ...