Question

to draw the design of physical process of sewage treatment plant depicting the laws of physics​

Answer 1

Answer:

physics is a study of Force ..

and many more ..

Answer 2

The following terms are the most used in biological treatment processes [2]:

DO: Dissolved Oxygen (mg L-1)

BOD: Biochemical Oxygen Demand (mg L-1)

BOD5: BOD (mg L-1), incubation at 15°C for 5 days

COD: Chemical Oxygen Demand (mg L-1)

CBOD: Carbonaceous BOD (mg L-1)

NBOD: Nitrogenous (mg L-1)

SOD: Sediment Oxygen Demand (mg L-1)

TBOD: Total BOD (mg L-1)