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MBRCentral.com is your source of information for OVIVO® MBR products & services. Constantly evolving, MBRCentral.com will provide you with all the tools you need regarding OVIVO® MBR.
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Home Case Study

Woodside

Woodside

PROJECT HIGHLIGHTS

PROBLEM

From January 2006 to February 2008 Woodside Wastewater Treatment Plant (WWTP) in Suffolk County, New York was hauling an annual average of 1,110,00 gallons of liquid sludge to be processed at Bergen Point a centralized wastewater treatment facility. Suffolk County paid more than $100,000 annually to haul this sludge from Woodside WWTP to the Bergen Point facility. This was a substantial cost to Suffolk County and were looking for a solids handling process to minimize liquid hauling costs from Woodside WWTP.

DESCRIPTION

SOLUTION

Woodside WWTP installed a Membrane Thickening (MBT) process in order reduce hauling costs at this facility. The Membrane Thickening (MBT) process was retrofit into two existing sludge holding tanks minimizing capital costs by preventing construction of new tanks. Commissioned since March 2008, the MBT process at Woodside WWTP pre-thickens liquid sludge produced at this facility up to 3.5% solids by utilizing a Kubota flat plate membrane and operating it in conjunction with two sludge holding tanks. By pre-thickening the sludge up to 3.5% solids with an MBT process, sludge hauling at Woodside WWTP was a reduced by more than 57% which resulted in an annual savings of $60,000 on hauling costs. Based on hauling costs alone, Suffolk County was able to get a return of investment on the MBT process in only 2.5 years.

LOCATION

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IMAGES

GENERATE PDF VERSION

PROJECT OVERVIEW

System Type(s) Concentric Circular Activated Sludge System
Previous Facility Type Same as above
Owner County of Suffolk
Engineer Ron Warren, County of Suffolk
Contractor County of Suffolk
Operations County of Suffolk Public Works Department
Delivery Method Direct Sale to Owner
Time To Retrofit
Total Installed Project Cost $Ron Warren, 631-852-4304, ron.warren@co.suffolk.ny.us

PLANT DESIGN INFORMATION

Fine Screen Type Fine Screen (CSC FS-600S)
Aperture or Slot Size 2mm
Supplemental Aeration Technology TransMAX Diffuser System
MBR Blower Type Positive Displacement
Solids Management Data Membrane Thickening
SCADA System
Disinfection Method
# Process Stages

MBR (MEMBRANE ZONE) DESIGN

Filtration Mode Pumped
# of Reactors : One
Submerged Membrane Unit (SMU) ES-200
# SMU One
Design Flux (MMF) 4.4 gfd
Minimum Temperature 15 degree C
Peak Factor
# of Maintenance Cleans Every 3-4 Months
Marathon
Mt. St. Mary’s University