Jul 07, 2014 · We have assembled extensive information on the cradletogate environmental burdens of 63 metals in their major use forms, and illustrated the interconnectedness of metal production systems. Related cumulative energy use, global warming potential, human health impliions and ecosystem damage are estimated by metal life cycle stage (, mining, purifiion, and refining).

Cadmium is a natural element in the earth's crust. It is usually found as a mineral combined with other elements such as oxygen (cadmium oxide), chlorine (cadmium chloride), or sulfur (cadmium sulfate, cadmium sulfide).All soils and rocks, including coal and mineral fertilizers, contain some cadmium used in the United States is extracted during the production of other metals like ...

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Removal of sulfur and phosphorus from pig iron, cast iron, and steel; ore beneficiation, flotation agents, and fluxing agents. Heavymetal: Digestion and beneficiation of ores (, of antimony, lead, chrome, cobalt, nickel, bismuth, and tin). Glass: Raw material for the glass melt and for reacting with sand. Aluminum: Reaction with bauxite ...

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