Mined ores are processed to concentrate the minerals of interest. In the case of metal ores, these mineral concentrates usually need to be further processed to separate the metal from other elements in the ore minerals. Smelting is the process of...

Reductive calcination, or smelting, is a process of heating ores to a high temperatures in the presence of a reducing agent such as carbon (coke), and a fluxing agent to remove the accompanying clay and sand (gangue). Smelting, which involves the...

The process of melting a metallic ore in order to obtain the metal. A smelt is also a fish (Osmerus eperlanus) related to the salmon. It is sometimes known as a...

Chemical reduction, or smelting, is a form of extractive metallurgy. The main use of smelting is to produce a metal from its ore. This includes iron extraction (for the production of steel) from iron ore, and copper extraction and other base metals from...

MUCH OF the U.S. West is a desert. The purpose of western water policy has been to cure a condition of drought. Now, however, it turns out that a five-year drought in California may help to cure the policy instead. The fault of policy...

The Australian mineral commodity analyst AME Mineral Economics has released a detailed cost analysis of the global aluminium smelting industry(*). The analysis covers cash production costs of 143 commercial-scale smelters (out of a world total of 146) for the period from 1996 to...

A federal judge on Friday imposed limits on water flows caused by huge pumps sending water from the San Joaquin-Sacramento River delta to users around the state, saying the pumps were drawing in and destroying a threatened fish.U.S. District Court Judge Oliver Wanger said pressure...

Environment: Feeling a bit smug about owning that hybrid? Better rein in that contempt for those who still drive primitive conventional cars. It seems that a Hummer is more ecologically friendly than a Prius.Yes, the Hummer will burn much more gasoline and discharge more emissions...