Which of the following in sewage treatment removes suspended solids?

  • Option 1)

    Tertiary treatment

  • Option 2)

    Secondary treatment

  • Option 3)

    Primary treatment

  • Option 4)

    Sludge treatment

 

Answers (1)

As we learnt in concept

Primary treatment of sewage -

These treatment steps basically involve physical removal of particles – large and small – from the sewage through filtration and sedimentation.

- wherein

These are removed in stages; initially, floating debris is removed by sequential filtration. Then the grit (soil and small pebbles) are removed by sedimentation. All solids that settle form the primary sludge and the supernatant forms the effluent. The effluent from the primary settling tank is taken for secondary treatment.

 

 

 

Primart treatment steps basically involve physical removal of particles – large and small – from the sewage through filtration and sedimentation.


Option 1)

Tertiary treatment

This option is incorrect.

Option 2)

Secondary treatment

This option is incorrect.

Option 3)

Primary treatment

This option is correct.

Option 4)

Sludge treatment

This option is incorrect.

Most Viewed Questions

Preparation Products

Knockout NEET 2024

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 40000/-
Buy Now
Knockout NEET 2025

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 45000/-
Buy Now
Knockout NEET 2021 (One Month)

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 14000/- ₹ 4999/-
Buy Now
Knockout NEET 2021

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 22999/- ₹ 9999/-
Buy Now
Test Series NEET 2021

Unlimited Chapter Wise Tests, Unlimited Subject Wise Tests, Unlimited Full Mock Tests, Get Personalized Performance Analysis Report,.

₹ 6999/- ₹ 2999/-
Buy Now
Boost your Preparation for NEET 2021 with Personlized Coaching
 
Exams
Articles
Questions