Exercise-2:   Do yourself

A roasted lead ore is smelted in a blast furnace with enough  to make a slag of .The coke is 16% of the roasted ore and analyzes  and .

The composition of roasted ore; Of the lead charged 5% is lost in dust and flue, and 8% enters the matte. 50% of the total charged copper enter in the matte and rest enter into lead bullion. 10% of S enters into gases.

Find: Per 1000Kg roasted ore

The amounts of lead bullion, matte and

The readers are expected to solve this problem and compare the answers given in lecture 24 of video course on materials and heat balance in metallurgical processes.

Purposely answers are not given.

Reference:

1) Butts: Metallurgical problems
2) S.C.Koria: Video course on material and heat balance in metallurgical processes, NPTEL website