Start Tour --> Gravity Thickening Tanks and Centrifuge --> Anaerobic Digestion

Start of Virtual Tour of Little Ferry WPCF

The diagram to the right depicts the flow of sewage sludge residuals from the wastewater treatment processes and thickened, stabilized, thickened further, stored, and then transported by barge for further treatment and dewatering at the Passaic Valley Sewerage Commissioners (PVSC) treatment works in Newark, NJ.

	Primary Treatment Sludge		Secondary Treatment Sludge
	Mixing Tank
Polymer		supernatant to secondary treatment		Polymer
	Gravity Thickening Tanks	Gas Engine Blowers and Hot Water Boilers	Thickening Centrifuge
				Centrate to Wet Well
		Methane Gas
		Anaerobic Digesters
		Thickening Centrifuge		Centrate to Wet Well
		Storage Tanks
		Barge Transportation
		Passaic Valley Sewerage Commissioners Treatment Works

Start the Tour with the Gravity Thickening Tanks and Centrifuge