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Carbon Filtration

Please enter your first and last name.
Activated carbon is a crude form of...
Graphite
Water
Metal
Bacteria
What is NOT true about activated carbon?
It has a high surface area per unit volume
It has a poor affinity for water
It attracts water very well
It attracts organic compounds very well
Why do we use activated carbon?
To kill any bacteria in the water
As a filter to remove organic compounds and dechlorinate the water
It is added to the water to improve the taste
As a power source for the fillers
Activated carbon works because organic compounds and chlorine stick to it. What is this process called?
ABsorption
ADsorption
Resorption
Desorption
Which of these is NOT an effective option for rejuvenating activated carbon?
Ozone
Steaming
Hot Caustic
True or False: Backwashing restratifies the carbon bed and eliminates channeling.
True
False
True or False: The carbon bed shrinks during backwash.
True
False
True or False: Chlorine is an effective way to sanitize the carbon towers.
True
False
Which of these is NOT important during bed start-up?
Bed soaking
Backwashing to remove air
Bed stratification
Putting on the fitted sheets and pillows
Why is it important to remove air during bed start-up?
All of these
Air increases the pressure drop
Air creates preferential flow paths
Air can lead to channeling and premature breakthrough
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