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Primary Clarifiers

The plant has two rectangular primary clarifiers, each 119 feet long and 28 feet wide.  These tanks are used for removal of sediment and large organic material in the raw wastewater.  The tanks are designed to allow particles to settle to the bottom of the tank, where the accumulated settled sludge is collected and removed by collector mechanisms.  The flow then exits the primary clarifiers, via effluent troughs, and is transported by pipe to the aeration tanks for the next step in the treatment process.  The sludge that is collected by the mechanisms is pumped to a gravity thickening tank, where additional settling and sludge collection is performed.

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Copyright 2002 Western Westmoreland Municipal Authority
Last modified: May 3, 2018