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  3. How Much Is The Sludge Dryer Machine Design And Capacity Calculation

How Much Is The Sludge Dryer Machine Design And Capacity Calculation

Activated sludge background the activated sludge process is the most widely used method of biological wastewater treatment around the world this process only about 100 years old was invented in england in 1914 and rapidly came into widespread usean activated sludge wastewater treatment plant with an aeration tank and secondary clarifier and usually including a primary clarifier has.

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