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How is water treated to remove solid impurities?

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Water is treated to remove solid impurities by;

  • Filtration at the intake, water passes through series of sieves to remove solid particles.
  • Coagulation and sedimentation
  • Allum is added to coagulate solid particles to settle down
  • Filtrating tank-water passes through tank lined with different types of sand to remove the remaining solid particles.
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