ENVIRONMENTAL STUDIES(ES)

ENVIRONMENTAL STUDIES

Lesson 20: Thermal pollution and nuclear hazards

Control measures

1. Solid waste can be buried or dumped in the sea.
   
2. Liquid waste can be discharged in three ways:
   
   1. Directly into the sea.
      
   2. Directly into rivers.
      
   3. As a trade waste of sewers.
      
3. Disposal of gaseous wastes by:
   
1. Filtration to remove particulate matter.
   
2. Dispersal via chimney stack.
   
3. Scrubbing or adsorption systems to reduce gaseous activity.