1
Question
Identify the methods used in the primary treatment of water from the following:
Identify the methods used in the primary treatment of water from the following:
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Solution
The correct options are
A Screening
B Sedimentation
C Flocculation
In Primary treatment, the insoluble solid waste is separated out. This can be done through various mechanical means like screening and Flocculation. Screening filters out the wastes that are slightly larger in size. In sedimentation gravity is used to remove solids that settle at the bottom of the tank at the treatment plant. In Flocculation, the fine particulates are clumped together and removed later. Secondary treatment uses biological processes to treat the water. One of these processes is bioremediation. In Bioremediation, the living organisms are added to the waste to degrade organically. The secondary treatment transforms the contaminants or reduces them to environmentally safe levels.
A Screening
B Sedimentation
C Flocculation
In Primary treatment, the insoluble solid waste is separated out. This can be done through various mechanical means like screening and Flocculation. Screening filters out the wastes that are slightly larger in size. In sedimentation gravity is used to remove solids that settle at the bottom of the tank at the treatment plant. In Flocculation, the fine particulates are clumped together and removed later. Secondary treatment uses biological processes to treat the water. One of these processes is bioremediation. In Bioremediation, the living organisms are added to the waste to degrade organically. The secondary treatment transforms the contaminants or reduces them to environmentally safe levels.
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