Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by__________________?

A. Biological oxygen pond
B. Radial settling tank (thickener) using coagulant (lime & ferrous sulphate)
C. Lagoons
D. Filtration

Correct Answer: Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) ✔

Last Updated: March 11, 2019