Multiple choice

A town is required to treat 4.2 m3/mm of raw water for daily domestic supply. Flocculating particles are to be produced by chemical coagulation. A column analysis indicated that an overflow rate of 0.2 mm/s will produce satisfactory particle removal in a setting basin at a depth of 3.5 m. The required surface area (in m2) for settling is

  1. 210

  2. 350

  3. 1728

  4. 21000
Reveal answer Fill a bubble to check yourself
B Correct answer

Keep practicing — related questions