In it treatment and disposal of waste water is being presented

1. WASTE WATER
TREATMENT AND
DISPOSAL METHODS
BY: MALIHAFIRDOUS

2. WASTE WATER TREATMENT
Waste water or Sewage treatment is the process of removing
contaminants from municipal wastewater, containing mainly
household sewage plus some industrial wastewater.

3. IMPORTANCE OF WASTE WATER TREATMENT
Reduces health
risk
Production of
electricity
Agriculture

4. INADEQUATE TREATMENT OF WASTE WATER
It leads to:
Increased danger in using natural bodies of water for drinking purposes
Greater possibility of spreading pathogenic diseases
Killing of aquatic life
Accumulation of toxic chemicals which endangers ecosystem and threaten
public health

5. METHODS OF WASTE WATER TREATMENT
PROCESS
Municipal
treatment
process
Primary
Secondary
Advanced
Final
Solid processing
Single dwelling
unit
Septic tank

6. WASTEWATER DISPOSAL METHODS
NATURAL
By
Dilution
Land
treatment
ARTIFICIAL
Primary
Secondary