In a conventional treatment train, which step directly follows sedimentation?

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Prepare for the ADEQ Water Treatment Grade 4 Test. Study with flashcards and multiple-choice questions, with each question offering hints and explanations. Ace your exam!

Multiple Choice

In a conventional treatment train, which step directly follows sedimentation?

Explanation:
After sedimentation, filtration is used next. Sedimentation lets most of the heavier floc settle out, but some fine particles remain suspended. Filtration passes the water through media that trap those remaining particles, further removing turbidity and clarifying the water so disinfection can be applied effectively. Rapid mixing and coagulant addition happen earlier to form the floc, and disinfection typically comes after filtration, not directly after sedimentation. So filtration directly follows sedimentation.

After sedimentation, filtration is used next. Sedimentation lets most of the heavier floc settle out, but some fine particles remain suspended. Filtration passes the water through media that trap those remaining particles, further removing turbidity and clarifying the water so disinfection can be applied effectively. Rapid mixing and coagulant addition happen earlier to form the floc, and disinfection typically comes after filtration, not directly after sedimentation. So filtration directly follows sedimentation.

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