Choose the correct sequence for $\text{STP}$ (Sewage treatment plant).

  • A
    Primary sludge $\rightarrow$ effluent $\rightarrow$ flocs $\rightarrow$ anaerobic sludge
  • B
    Primary sludge $\rightarrow$ flocs $\rightarrow$ effluent $\rightarrow$ anaerobic sludge
  • C
    Primary sludge $\rightarrow$ anaerobic sludge $\rightarrow$ flocs $\rightarrow$ effluent
  • D
    Primary sludge $\rightarrow$ anaerobic sludge $\rightarrow$ effluent $\rightarrow$ flocs

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Similar Questions

Measuring of $BOD$ in sewage water gives an estimation of . . . . . .

$(a)$ What would happen if a large volume of untreated sewage is discharged into a river?
$(b)$ In what way is anaerobic sludge digestion important in sewage treatment?

During primary treatment,all solids that settle form $A$ and the supernatant forms $B$.

What is the key difference between primary and secondary sewage treatment?

$BOD$ is concerned with

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