What is sludge?

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(A) In the process of sewage treatment,the primary treatment involves the physical removal of particles through filtration and sedimentation. During s

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The mud-like sediment obtained after the sedimentation process.

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(A) In the process of sewage treatment,the primary treatment involves the physical removal of particles through filtration and sedimentation. During sedimentation,the solids that settle down at the bottom of the tank are known as primary sludge. Therefore,sludge is the mud-like sediment obtained after the sedimentation process.

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