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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

Tulalip

Tulalip

PROJECT HIGHLIGHTS

Commissioned July, 2003 Commercial WW, Greenfield Permit(s); Discharge 10/1/2   (TN/TP/Turbidity) Casino, Shopping Mall ⇒ Subsurface (Injection Wells) MMF Capacity: 1.25 MGD $7.2/gal 3 FTE (Full‐Time Employees)
One of the longest operating MBR plants in the country, we regularly get visitors for tours.

DESCRIPTION

The Tulalip Tribes of Washington have selected ENVIROQUIP MBR Technology® to treat wastewater for a business park development in Tulalip, WA. The initial phase of the development included a casino, several commercial businesses, office space, a shopping center, and even a theme park. Several wastewater treatment options were investigated, including co‐treatment at the City of Marysville WWTP, and the upgrade of an existing oxidation ditch near the site, before the Tribes decided to construct a new dedicated wastewater treatment facility for the new business park. However, officials from the Tribe and their consultant, Parametrix, concluded that ENVIROQUIP’s MBR process was particularly attractive due to its small footprint and ability to produce reuse‐quality effluent.

LOCATION

Tulalip, WA

IMAGES

GENERATE PDF VERSION

PROJECT OVERVIEW

System Type(s) Enviroquip ® MBR
Previous Facility Type Ditch
Owner Tulalip Tribe
Engineer Parametrix
Contractor Parametrix
Operations Tulalip Tribe
Delivery Method DB
Time To Retrofit 15 months
Total Installed Project Cost $9,000,000

PLANT DESIGN INFORMATION

Fine Screen Type Drum Screen
Aperture or Slot Size 3 mm
Supplemental Aeration Technology Fine Bubble, Tubes & Disks
MBR Blower Type Positive Displacement
Solids Management Data Rotary Press, Dryer
SCADA System RSView32
Disinfection Method UV
# Process Stages 3

MBR (MEMBRANE ZONE) DESIGN

Filtration Mode Gravity
# of Reactors : 2
Submerged Membrane Unit (SMU) EK400, KUBOTA®
# SMU 16
Design Flux (MMF) 18.17 gfd
Minimum Temperature 12°C
Peak Factor 2.0
# of Maintenance Cleans 4
Trump National Golf Course
Tule River