Frasch process — The Frasch process is a method to extract sulfur from underground deposits. Most of the world s sulfur is obtained this way.Holes are drilled down through the overlying rock into the sulfur deposits. A special series of pipes are then inserted… … Wikipedia
Frasch process — /frahsh/ a method of mining sulfur by pumping superheated water down into the deposit, thereby melting it so that it can be pumped to the surface. [after Hermann Frasch, German born U.S. chemical engineer, who developed it] * * * ▪ mining… … Universalium
Frasch — may refer to:*North Frisian language *Frasch process, a chemical process used to extract underground sulfur … Wikipedia
Frasch, Herman — ▪ American chemist born Dec. 25, 1851, Gaildorf, Württemberg died May 1, 1914, Paris U.S. chemist who devised the sulfur mining process named in his honour. The Frasch process, patented in 1891, was first used successfully in Louisiana and… … Universalium
frasch method — noun see frasch process … Useful english dictionary
Herman Frasch — Herman Frasch, Hermann Frasch (December 25, 1851, Oberrot bei Gaildorf, Württemberg May 1, 1914, Paris) was a mining engineer and inventor. In October 20, 1890, he took out three patents for the Frasch Process.He emigrated to the US in 1868. In… … Wikipedia
Industrial process — Industrial processes are procedures involving chemical or mechanical steps to aid in the manufacture of an item or items, usually carried out on a very large scale.Industrial processes are the key components of heavy industry.Most processes make… … 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
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine … Wikipedia
