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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
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Home Case Study

Tule River

Tule River

PROJECT HIGHLIGHTS

Commissioned July, 2014 Domestic WW, New Construction Permit(s); Tribal Exemption TN 15 Municipal treatment  Reuse MMF Capacity: 0.075 MGD 0.5 FTE (Full‐Time Employees)
The Ovivo microBlox MBR solved a real problem.

DESCRIPTION

A wastewater feasibility study of the Tule River Reservation by the Indian Health Service concluded that 30 percent of all septic tank/drainfield systems had failed and an additional 30 percent would fail in the near future.    To correct this problem, the tribe decided to install an Ovivo microBlox MBR System.    The microBlox was chosen for its small footprint, ease of installation, and future expansion.    The plant will provide service for 850 residents.    The microBlox is a single pass, high MLSS MBR utilizing concentrated oxygen for process purposes.

LOCATION

Tule River, CA

IMAGES

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PROJECT OVERVIEW

System Type(s) Ovivo microBLOX™ MBR
Previous Facility Type Septic/drainfield systems
Owner Tule River Tribe
Engineer Hydro Science
Contractor IWS
Operations Tule River Tribe
Delivery Method Pre-Selection
Time To Retrofit 7 months
Total Installed Project Cost $3,500,000

PLANT DESIGN INFORMATION

Fine Screen Type Bar Screen
Aperture or Slot Size 2 mm
Supplemental Aeration Technology Concentrated Oxygen
MBR Blower Type Regenerative
Solids Management Data Dewatering Tubes
SCADA System Red Lion
Disinfection Method None required
# Process Stages 1

MBR (MEMBRANE ZONE) DESIGN

Filtration Mode Pumped
# of Reactors : 2
Submerged Membrane Unit (SMU) RM200, KUBOTA®
# SMU 2
Design Flux (MMF) 12.02 gfd
Minimum Temperature 15°C
Peak Factor 4.0
# of Maintenance Cleans 4
Tulalip
Union Rome