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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

Maples

Maples

PROJECT HIGHLIGHTS

Commissioned February, 2006 Commercial WW, Greenfield Permit(s); Discharge 10/NA/5   (TN/TP/Turbidity) Nursing Home ⇒ Leach Field MMF Capacity: 0.02 MGD $59.49/gal 2 FTE (Full‐Time Employees) 
The plant had demonstrated long history of excellent compliance. It is a prime example of happy client and happy regulator.

DESCRIPTION

Maple rehabilitation and nursing center is a family owned and operated, 144 bed, nursing facility located in the quiet country setting of Wrentham, Massachusetts. The facility was constructed in late 1970's and expanded in 1990's. Changes in state code required ungraded to the existing septic system. During the selection process, other technologies considered are RBC, Amphidrome, FAST, Bioclere, and hollow fiber MBR. Ovivo flat plate MBR was selected for its simple, effective design and operation simplicity. This Membrane Bioreactor plant has a design flow of 22,000 gallons per day.

LOCATION

Wrentham, MA

IMAGES

GENERATE PDF VERSION

PROJECT OVERVIEW

System Type(s) Enviroquip ® MBR
Previous Facility Type None
Owner Maples Rehabilitation & Nursing center
Engineer Beta Group
Contractor RH White
Operations Maples Rehabilitation & Nursing center
Delivery Method Pre-Purchase
Time To Retrofit 12 months
Total Installed Project Cost $1,189,729

PLANT DESIGN INFORMATION

Fine Screen Type Bar Screen
Aperture or Slot Size 2 mm
Supplemental Aeration Technology Fine Bubble, Tubes
MBR Blower Type Positive Displacement
Solids Management Data Membrane Thickening
SCADA System RSView SE/ME
Disinfection Method UV
# Process Stages 1

MBR (MEMBRANE ZONE) DESIGN

Filtration Mode Pumped
# of Reactors : 2
Submerged Membrane Unit (SMU) ES100, KUBOTA®
# SMU 2
Design Flux (MMF) 12.8 gfd
Minimum Temperature 11°C
Peak Factor 2.0
# of Maintenance Cleans 2
Lumpkin County
Marmora Town Center