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If the raw water has a poor quality, powdered activated carbon is added in the water treatment process to reduce pollutants. The powdered activated carbon is then discarded in a mixture with the WTR. In South Korea in 2011, the amount of organic WTR more than doubled from 123.7 tons/day in 2011 to 262.5 tons/day in 2016 ( Ministry of
Activated carbon is available as powdered activated carbon (PAC) and granular activated carbon (GAC). PAC is made from organic materials with high carbon contents such as wood, lignite and coal. PAC typically has a diameter less than 0.1 mm and an apparent density ranging between 23 and 46 lb/ft 3 , depending on the material used and
