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    11 ibid. 12 ibid. 13 u.s. environmental protection agency, "sulfur," from 1988 final draft summary report of mineral industry processing wastes, 1988, pp. 2-55 - 2-56.

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    frasch process , process for the extraction of sulfur from subsurface deposits. three pipes, one inside another, are sunk to the bottom of the

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    method of mining deep-lying sulfur invented by the german-born american chemist herman frasch. the process involves superheating water to about 170 c (340 f) and ...

  • frasch process | mining | encyclopedia britannica

    frasch process, method of mining deep-lying sulfur invented by the german-born american chemist herman frasch. the process involves superheating water to about …

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  • sulfur industry | the handbook of texas online| texas ...

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    frasch process - wikipedia, the free encyclopedia. the frasch process is a method to extract sulfur from underground deposits. it is the only economic method of ...

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  • mining :: frasch sulfur recovery | encyclopedia britannica

    frasch sulfur recovery. although the frasch process is used to recover sulfur from both bedded and salt-dome-related deposits, only the latter type is described here.