Desulfurisation of hot metal is favoured by
A. reducing and neutral slag
B. high activity co-efficient of sulphur in metal
C. oxidising and basic slag
D. reducing and basic slag
Answer: Option C
Solution(By Examveda Team)
The correct answer is Option C: oxidizing and basic slag.In the process of desulfurization of hot metal in metallurgical engineering, the favorable conditions for reducing sulfur content are provided by an
oxidizing and basic slag. This type of slag helps in the removal of sulfur by forming compounds that can be easily separated from the metal. This Question Belongs to Metallurgical Engineering >> Iron Making In Metallurgy
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Comments ( 1 )
purpose of flux in blast furnace
A. bring down the softening point of the gangue materials
B. reduce the viscosity of the slag
C. to maintain proper basicity
D. all of these
High top pressure in the blast furnace
A. decreases the time of contact between gas and solid
B. increases the time of contact between gas and solid
C. increases fuel consumption
D. increases the rate of solution loss reaction
Dephosphorisation of molten pig iron is favoured by
A. oxidising and basic slag
B. reducing and basic slag
C. high activity co-efficient of phosphorous in metal
D. oxidising and neutral slag
High top pressure in a blast furnace operation
A. favours the solution loss reaction
B. suppresses the solution loss reaction
C. decreases gas-solid contact time
D. increases coke rate
Desulfurization of hot metal favoured by -
Reducing atmosphere & basic slag is the correct answer but why option c is correct