Frasch, Herman

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 in east Texas. It made possible the exploitation of extensive sulfur deposits otherwise obtainable only at prohibitive expense.

      Emigrating to the U.S. in 1868, Frasch worked as a chemist in Philadelphia and Cleveland, and in 1885 he organized the Empire Oil Company, Petrolia, Ont. For this firm he devised a method (also called the Frasch process) of removing sulfur from crude oil. He also patented processes for manufacturing white lead, sodium carbonate, and carbon for the filaments in electric light bulbs. The Union Sulphur Company, of which he was president, became the world's leading sulfur-mining firm.

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  • 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

  • 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

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  • frasch process — ˈfräsh noun or frasch method Usage: usually capitalized F Etymology: after Herman Frasch died 1914 American chemist born in Germany, its inventor : a method of mining deep lying sulfur by forcing into the deposit very hot water and pumping out… …   Useful english dictionary

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