Drinking Water Treatment - Flocculation


Michigan Environmental Education Curriculum
Drinking Water Treatment

Flocculation Treatment

Now that the particles have a neutral charge and can stick together. The water flows into a tank with paddles that provide slow mixing and bring the small particles together to form larger particles called flocs. Mixing is done quite slowly and gently in the flocculation step. If the mixing is too fast, the flocs will break apart into small particles that are difficult to remove by sedimentation or filtration.

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