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Clarifier

STEP 7 - Secondary Clarifiers

Secondary Clarifier

Those Microorganisms Are Heavy Enough to Settle

 

Microorganisms ate the sludge out of the water in our basins. The wastewater stayed in those basins for many hours.

 

From there we pump the water to big tank, another clarifier. In this tank the microorganisms settle to the bottom. The sludge was not heavy enough to settle out of the water. But the microorganisms are.

 

This water looks clean enough to drink, but it NOT drinking water! We only make water for the river at our plant.  

 

 

Secondary Clarifiers Collect Sludge

 

Learn more about settling and floating here:

Follow Water or Sludge
Primary Clarifier Activity step of this tour
Steve Spangler's Floating Lemons and Sinking Limes Experiment Disclaimer
Floating and Sinking Cans Disclaimer
 
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