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What is the function of sedimentation in wastewater treatment?
  • a)
    To filter out dissolved chemicals
  • b)
    To remove large solid wastes
  • c)
    To settle down suspended particles
  • d)
    To disinfect water
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
What is the function of sedimentation in wastewater treatment?a)To fil...
Understanding Sedimentation in Wastewater Treatment
Sedimentation is a crucial process in wastewater treatment that helps to improve water quality by removing suspended solids. Here’s a detailed explanation of its function:
What is Sedimentation?
- Sedimentation is the process where solid particles settle at the bottom of a liquid due to gravity.
- It occurs in a specially designed tank called a sedimentation tank or clarifier.
Function of Sedimentation
- The primary function of sedimentation is to settle down suspended particles.
- This process is essential because it allows for the separation of solids from the liquid, making the water cleaner and clearer.
Why is This Important?
- Suspended particles can include dirt, debris, and other solid waste materials that can harm aquatic life and reduce water quality.
- By settling these particles, sedimentation reduces the load on further treatment processes, such as filtration and biological treatment.
Steps in the Sedimentation Process
- Influent enters the sedimentation tank: The incoming wastewater is directed into the tank.
- Gravity acts on the solids: As the water slows down, gravity helps suspended solids to settle at the bottom.
- Formation of sludge: The settled particles form a layer of sludge, which can be removed for further processing.
Conclusion
- In summary, sedimentation is effective in enhancing water quality by removing suspended particles, thus making it a vital step in wastewater treatment. This process ensures that the water is cleaner before it undergoes additional treatment or is released back into the environment.
Community Answer
What is the function of sedimentation in wastewater treatment?a)To fil...
Sedimentation allows suspended particles to settle at the bottom of a treatment tank, separating solids from the liquid. This process helps in reducing the solid load in the subsequent treatment steps.
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What is the function of sedimentation in wastewater treatment?a)To filter out dissolved chemicalsb)To remove large solid wastesc)To settle down suspended particlesd)To disinfect waterCorrect answer is option 'C'. Can you explain this answer?
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