Analysis of BOD and COD in water

BODANDCOD x

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BOD AND COD

The conditions that are likely to increase the BOD levels is the increased organic.

2.

3. The statement that is true is that the effect of chlorination is that it is dependent upon the amount of HOCl relative to –OCl

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4. Pathogenic organisms are organics.

5.It is between As and Pb pollutants that can be distinguished by mass spectrometer.

6.0.5mg/L of aluminium exceeds the pollutant level that is primary standard MCls for the drinking water as its permitted level is between 0.05 to 0.2 mg/l as well as nitrates where the MCL allowe values is 10ppm nitrate.

7.The technologies that is used to remove most dissolved organics in natural water are ozone treatment and activated carbon filtration.

8.The water distribution systems should taken into considerations;

The account of cost, topography, geology and comprehensive growth plan

9. The facts true about coagulation includes;

Adding more coagulant wil increase the purity of the water,

10.

11.The true statement about the shown picture are

The bottom figure shows the layout that provides greater service head and the the top figure is preferably for the pumping station.

12.The technologies that would be used to remove calcium and magnesium ions contaminants is the ozone treatment.

13.Gridiron

Sanitary sewage

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