- pyritic sulfur
- siarka pirytowa
English-Polish dictionary for engineers. 2013.
English-Polish dictionary for engineers. 2013.
pyritic smelting — noun : a process of smelting pyritic ores without previous roasting and with little or no fuel by utilizing the heat resulting from the combustion of their high sulfur content … Useful english dictionary
Coal sulfur — Coal sulfur occurs in three forms: organic, sulfate, and pyritic. Organic sulfur is an integral part of the coal matrix and cannot be removed by conventional physical separation. Sulfate sulfur is usually negligible. Pyritic sulfur occurs as… … Energy terms
pyrite — pyritic /puy rit ik, peuh /, pyritical, pyritous /peuh ruy teuhs, puy /, adj. /puy ruyt/, n. a very common brass yellow mineral, iron disulfide, FeS2, with a metallic luster, burned to sulfur dioxide in the manufacture of sulfuric acid:… … Universalium
Marcellus Formation — Stratigraphic range: Middle Devonian … Wikipedia
bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom … 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
Lead chamber process — The lead chamber process was an industrial method used to produce sulfuric acid in large quantities. It has been largely supplanted by the contact process. In 1746 in Birmingham, England, John Roebuck began producing sulfuric acid in lead lined… … Wikipedia
Ducktown, Tennessee — City Ducktown Historic District … Wikipedia
Copper mining in the United States — US primary copper production 1900 2008. Source: USGS … Wikipedia
Hunsrück Slates — The Hunsrück Slate (Hunsrückschiefer) is a Devonian Lagerstätte famous for exceptional preservation of a highly diverse fossil fauna assemblage. The various fossil localities are quarries located mostly south of the River Mosel and west of the… … Wikipedia
Acid sulfate soil — Acid sulfate soils are naturally occurring soils, sediments or organic substrates (e.g. peat) that are formed under waterlogged conditions. These soils contain iron sulfide minerals (predominantly as the mineral pyrite) or their oxidation… … Wikipedia