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activities. Other ingredients in waste water are:

Bacteria, parasitic worms Jaylon Smith Jersey , and other pathogens
1. Hair, vomit, feces
2. Fruit sugar, drugs, and medicines
3. Sand Chidobe Awuzie Jersey , metal particles, and ceramics
4. Animals such as small fish
5. Macro-solids such as children’s toys
6. Gases such as carbon-dioxide
7. Emulsions such as mayonnaise and paints
8. Toxins such as poisons
9. Pharmaceuticals

Waste water can come from a variety of sources such as:
1. Leakage from Septic Tank or Cesspit
2. Rainfall on the roof of buildings
3. Cleaning liquids and paints from domestic sources
4. Seawater coming into land
5. Waste from acid or alkali manufacture
6. Draining of storm water
7. Wastes from pesticide manufacture
8. Drainage from agricultural activities

Why must you treat waste water? Waste water must be treated to remove the pollutants in the waste water, to improve health and public hygiene, to preserve organisms in waterways, wildlife Taco Charlton Jersey , and to improve quality of life.
The waste water treatment procedure consists of a series of steps.

Primary Treatment of Waste water: The primary treatment of waste water involves the removal of large objects from sewage. This involves removal of rags, grease, sticks, and floating objects. Preliminary treatment makes use of units such as screening, grit chamber Connor Williams Jersey , skimming tanks, pumps. Screening is used for removing floating matter. Grit chamber is used for removing sand and grits. Primary treatment involves the following processes – sedimentation, and also coagulation. Sedimentation is used to settle heavy solids under the influence of gravity. The Fundamentals of Engineering helps in knowing the primary treatment of waste water.