What Is A Sludge Holding Tank; Why Are They Used?

Effluent sludge holding tanks are used to store sludge from primary sludge, wastewater treatment, activated sludge, imported sludge and scum.  

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Holding tanks vs. septic tanks: 6 key differences

Activated Sludge Process, Water Treatment, Waste Water Treatment

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Activated Sludge Process

Effluent and Sludge Storage - The Forbes Group

Meat Processing - Hydroflotech

Sludge Holding Tanks

Holding Tank vs Septic Tank: Uses & Cost Differences