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Difference Between Granular Activated Carbon And Powdered Carbon in Sewage Treatment
May 07,2026
The contact area of powdered activated carbon is larger, which is more obvious for emergency treatment and pretreatment of slightly polluted water. It has fast filtration speed, good adsorption performance, strong decoloration and taste removal ability.
Economical and durable.
A famous case is the Songhua River pollution accident. The water taken from the Harbin water plant is treated by adding powdered activated carbon.
Granular activated carbon is mainly used for advanced treatment to remove micro polluted toxic and harmful substances.
Case: advanced treatment of sewage and reuse of reclaimed water: cod decreased from 100 to 40 (pilot site of wastewater treatment of a large paper-making enterprise in China), operating conditions: room temperature, flow rate of 1BV / h,
Required standard: cod ＜ 40mg / L, chromaticity ＜ 30. After treatment: the average value of COD is 14.5ppm, and the chromaticity is less than 2.
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