Sedimentation in Water Treatment
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Questions and Answers

What is the purpose of the sedimentation process in water treatment?

  • To enhance the color of the water
  • To remove all dissolved minerals from the water
  • To reduce particle concentration in the water (correct)
  • To increase the need for coagulation and flocculation
  • What happens naturally during sedimentation in still water?

  • Gravity pulls heavier sediments down to form a sludge layer (correct)
  • Chemicals are added to accelerate sedimentation
  • The water becomes more acidic
  • Microorganisms multiply rapidly
  • What is thickening in the context of water sedimentation?

  • Adding more sediments to the water
  • Creating a thin layer of particles on top of the water
  • Artificially stimulating the sedimentation process (correct)
  • Increasing the water's viscosity
  • How does sedimentation reduce the need for additional chemicals in water treatment?

    <p>By minimizing the need for coagulation and flocculation</p> Signup and view all the answers

    What is one advantage of using sedimentation after coagulation in water treatment?

    <p>Increasing the effectiveness of ongoing filtration</p> Signup and view all the answers

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