NTA UGC NET '24 Paper 1 by KVS Madaan| Teaching and Research Aptitude NET/SET/JRF |Includes 2023 Paper (2 Sets) & 23 years chapter wise solved Previous Year Questions

Chapter 9

9.50

•

Physical Characteristics:

They settle at the bottom

of a container. They may be in the form of suspended

solids which are carried in liquid flows. Their tem-

perature is usually higher than the surroundings. The

odours may arise due to gas generation during bio-

degradation.

•

Chemical Characteristics:

Liquid waste contains

both organic and inorganic components.

Organic Matter:

We already discussed BOD and COD

in for this, and COD providing faster results due to

chemical oxidation.

Inorganic Matter:

These include ammonia, chloride,

phosphates, and metal compounds originating from

various sources, including ...