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How is suspended solids and sludge different? What is the relationship between them?

How is suspended solids and sludge different?

What is the relationship between them?

Engineering   Civil-Engineering   
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Answer #1
  • Suspended Solids

These are the solid organic or inorganic particles that remain in the suspended form or colloidal form and also due to the turbulence in the water. Suspended solids are responsible for the haziness or turbidity in the water.It also effects the disinfection process.

It can be removed by sedimentation.

  • Sludge

​​​​​​​​​​​​During the process of water treatment or waste water treatment, there is a removal of solids (Suspended Solids,Colloidal Solids and Dissolved solids). During the removal process these solids are just concentrated and removed as a mixture with water.This mixture or semi solid slurry of treated particles is known as Sludge.It has high percentage of water in it.Before the disposal of sludge it is too much important to concentrate this slurry.

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