Question

Physical chemical and biological characteristics of sewage

Answer 1

physical characteristics:

1. temperature

2. solids

3. turbidity

Chemical characteristics :

1. pH

2. DO (dissolved oxygen)

3. oxygen demand

4. BOD (Biological oxygen demand)

5. nutrients

Biological characteristics:

1. Bacteria

Depending upon the mode of action of bacteria may be divided into the following three categories;

Aerobic Bacteria

Anaerobic Bacteria

Facultative Bacteria