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- We also are testing to the effect of natural organic matter (NOM) on foam formation. We hypothesize that as the turbidity concentration of the water NOM increases, so will the foam formation.
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- amount of foam formed.
- The foam formation may not be due to the alum dosage or the turbidity, it may in fact be due to the location that the alum is added to the system; above water surface vs below water surface. We hypothesize that the foam formation will be greater when the alum is applied to the surface of the water
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