Question
Question: The effluent obtained after secondary treatment in a sewage treatment plant (STP) is:...
The effluent obtained after secondary treatment in a sewage treatment plant (STP) is:
A
Less polluting and can be used for drinking
B
Non-polluting and can be used for drinking
C
Less –polluting and is released into rivers and streams
D
Non-polluting and is released into rivers and streams
Answer
Less –polluting and is released into rivers and streams