Why is sewage water treated until the BOD is reduced? Give a reason.
Answers
Answer:
BOD indicates the presence of organic matter in the water. The greater the BOD of the sewage water, the more is its polluting potential.Hence, the sewage water is treated until its BOD is reduced
Explanation:
BOD refers to the amount of oxygen that would be consumed if all the organic matter in one litre of water is oxidised by bacteria. The sewage water is treated till the BOD is reduced. ... During this digestion, bacteria produce a mixture of gases such as methane, hydrogen sulphide and carbon dioxide.
..BOD refers to the amount of oxygen that would be consumed if all the organic matter in one litre of water is oxidised by bacteria. The sewage water is treated till the BOD is reduced. ... During this digestion, bacteria produce a mixture of gases such as methane, hydrogen sulphide and carbon dioxide.Why is sewage water treated until the BOD is reduced? Give a reason.