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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

North Lewisburg

North Lewisburg

PROJECT HIGHLIGHTS

Commissioned October, 2007 Domestic WW, CAS Retrofit Permit(s); Discharge NA/NA /0.09  (TN/TP/Turbidity) Municipal ⇒ Pond MMF Capacity: 0.42 MGD 1 FTE (Full‐Time Employees)
In addition to the MBR, membrane thickening is also provided to reduce operation of the belt filter press and the overall sludge hauling requirements.

DESCRIPTION

Located west of Columbus, this 421,000 gpd plant was a retrofit of an existing conventional activated sludge system.    The use of Kubota membranes made the upgrade extremely easy and straight forward.    The existing tankage was simply subdivided with new internal tank walls to provide one swing basin for simultaneous nitrification/denitrification (SNDN), and two membrane basins.    Ease of operation was of primary importance, as the small staff is responsible for all the public works requirements in North Lewisburg.

LOCATION

North Lewisburg, OH

IMAGES

GENERATE PDF VERSION

PROJECT OVERVIEW

System Type(s) Enviroquip ® MBR, MBT
Previous Facility Type CAS
Owner City of North Lewisburg, OH
Engineer R.D. Zande
Contractor Downing Construction
Operations North Lewisburg Public Works
Delivery Method Negotiation
Time To Retrofit 12 months
Total Installed Project Cost $Unavailable

PLANT DESIGN INFORMATION

Fine Screen Type Bar Screen
Aperture or Slot Size 1 mm
Supplemental Aeration Technology Medium Bubble, TransMax
MBR Blower Type Positive Displacement
Solids Management Data Membrane Thickening, Belt Press
SCADA System Wonderware
Disinfection Method UV
# Process Stages 2

MBR (MEMBRANE ZONE) DESIGN

Filtration Mode Pumped
# of Reactors : 2
Submerged Membrane Unit (SMU) EK400, KUBOTA®
# SMU 10
Design Flux (MMF) 12.2 gfd
Minimum Temperature 12°C
Peak Factor 2.0
# of Maintenance Cleans 3
North Lake
Ocean Reef