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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.
  • HOME
  • CASE STUDIES
  • SOLUTIONS
    • Ovivo® MBR
    • microBLOX®
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Home Case Study

Pentwater

Pentwater

PROJECT HIGHLIGHTS

Commissioned April, 2013 Domestic WW, New Construction Permit(s); Discharge   Municipal treatment -> Surface Water MMF Capacity: 0.30 MGD 0.25 FTE (Full‐Time Employees)
For the Love of the Lake

DESCRIPTION

A community near the eastern shore of Lake Michigan, The City of Pentwater was in need of improving the wastewater treatment, while preparing for future phosphorus limits.    After evaluation of several options, the Ovivo MBR was selected for the proven excellent effluent quality, particularly for phosphorus removal in this case.   Beyond nutrient removal requirements, the city is impressed with the overall operation of the plant and its inherent flexibility.

LOCATION

Pentwater, MI

IMAGES

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PROJECT OVERVIEW

System Type(s) Ovivo MBR
Previous Facility Type Sedimentation
Owner City of Pentwater
Engineer Prein & Newhof
Contractor Grand River Construction
Operations City of Pentwater
Delivery Method Pre-Selection
Time To Retrofit 24 months
Total Installed Project Cost $5,500,000

PLANT DESIGN INFORMATION

Fine Screen Type Band Screen
Aperture or Slot Size 3 mm
Supplemental Aeration Technology Fine Bubble, Discs
MBR Blower Type Positive Displacement
Solids Management Data Hauling
SCADA System Wonderware
Disinfection Method Chlorine
# Process Stages 4

MBR (MEMBRANE ZONE) DESIGN

Filtration Mode Pump Assited Gravity (PAG
# of Reactors : 2
Submerged Membrane Unit (SMU) RW400, KUBOTA®
# SMU 4
Design Flux (MMF) 12.0 gfd
Minimum Temperature 5°C
Peak Factor 2
# of Maintenance Cleans 2
Paa-Ko
Piedmont