CBSE Class 10 Answered
what is frash process?
Asked by | 19 Mar, 2008, 01:27: AM
Expert Answer
FRASCH process is a process to extract S from the gruond at depth of 200 to 300m by sunking 3 concentric pipes into the ground .
water passed through outermost pipe at 170ºC under presure melts the S
compressed air through innermost pipe make S froth
S foam rises through innermost pipe
S OBTAINED IS HIGHLY PURE OF PURITY 99.5 percent
Answered by | 21 Dec, 2017, 12:54: PM
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