Suspended solid present in the waste water generated in blast furnace – McqOptions

MCQOPTIONS

1.	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.
Answer» C. lagoons.

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