- pyrite roasting
- <proc> ■ Pyritröstung f
English-german technical dictionary. 2013.
English-german technical dictionary. 2013.
Copper mining in the United States — US primary copper production 1900 2008. Source: USGS … Wikipedia
Copper extraction techniques — This article is about historical production methods. For modern methods, see Flash smelting. The Chino open pit copper mine in New Mexico … Wikipedia
Thallium — (pronEng|ˈθæliəm) is a chemical element with the symbol Tl and atomic number 81. [ [http://periodic.lanl.gov/elements/81.html thallium ] , Los Alamos National Laboratory. Retrieved November 21, 2006.] This soft gray malleable poor metal resembles … Wikipedia
List of alchemical substances — Alchemical studies produced a number of substances, which were later classified as particular chemical compounds or mixtures of compounds.Many of these terms were in common use into the 20th century.* Aqua Fortis nitric acid, can be formed by 2… … Wikipedia
Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine … Wikipedia
Gold extraction — or recovery from its ores may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. [cite web url=http://geology.com/publications/getting gold/gold… … Wikipedia
sulfur — /sul feuhr/, n. 1. Also, esp. Brit., sulphur. Chem. a nonmetallic element that exists in several forms, the ordinary one being a yellow rhombic crystalline solid, and that burns with a blue flame and a suffocating odor: used esp. in making… … Universalium
Cobalt — This article is about the metal. For other uses, see Cobalt (disambiguation). iron ← cobalt → nickel ↑ Co ↓ Rh … Wikipedia
Economy of the Song Dynasty — The Song Dynasty (960 ndash;1279) of China was a period of Chinese history marked by commercial expansion, economic prosperity, and revolutionary new economic concepts. Private trade grew and a market economy began to link the coastal provinces… … Wikipedia
lead processing — Introduction preparation of the ore for use in various products. Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… … Universalium
Iron ore — Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the … Wikipedia