You have been placed in charge of the planning for the treatment of the waste wa
ID: 231074 • Letter: Y
Question
You have been placed in charge of the planning for the treatment of the waste water from a new industrial complex. The characteristics of the wastewater include: high BOD. high COD, high solids and low pH. You have a few options:
Treat the water on site and inject it into a well on site.
Treat the water to meet permit requirements and discharge it into a stream.
Don't treat the water and pay to send it directly to a municipal waste water treatment plant.
Given this limited information, what factors would you consider regarding each option in making your decision.
Explanation / Answer
Treat the water on site and inject it into a well on site.
As the injected water mixes with the ground water , care is taken to treat the waste water without any residues of the indicated pollution.
Treat the water to meet permit requirements and discharge it into a stream
The wastewater is having high BOD. high COD, high solids and low pH.
So treat it to decrease BOD. , COD and solids concentration upto permit requirements and neutral pH.
Otherwise the organisms living in the stream will die.
Don't treat the water and pay to send it directly to a municipal waste water treatment plant.
If the treatment on site is not technically and economically feasible,then it can be sent to municipal waste water treatment plant.
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