what is the role of aerobic bacteria in wastewater treatment plant
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Aerobic bacteria are used in most new treatment plants in an aerated environment. This means that there is dissolved oxygen available for the respiration of the bacteria.
They use the free oxygen in the water to degrade the pollutants in the incoming wastewater into energy they can use for growth and reproduction. In most cases, the oxygen has to be added mechanically to the wastewater through the use of aerators in the aerated section of the treatment plant. With a normal influent load of pollutants, the dissolved oxygen content in the aerated section of most plants should be kept between 3 and 5 MG/L.
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Answer:this bacteria is added to new water. Plants in aerated environment dissolved o2 is available for the bacteria
Explanation:
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