7328Chemical EngineeringMedium
Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by________?
AFiltration
BLagoons
CRadial settling tank (thickener) using coagulant (lime & ferrous sulphate)
DBiological oxygen pond
Correct answer
C. Radial settling tank (thickener) using coagulant (lime & ferrous sulphate)
Explanation
The correct answer is Radial settling tank (thickener) using coagulant (lime & ferrous sulphate).