Question

In the Frasch process for the extraction of sulphur, super heated steam is forced down the outermost of the three concentric pipes to :

• A. wash the sulphur clean
• B. remove the impuririties
• C. melt the sulphur
• D. dissolve sulphur dioxide

Answer 1

Answer: (C)

melt the sulphur

In the Frasch process super heated water is pumped into sulphur deposit, the sulphur melts and is extracted. This process is able to produce high purity sulphur. It is the only economic method of recovering sulphur from elemental deposits.