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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

Cottonwood

Cottonwood

PROJECT HIGHLIGHTS

Commissioned October, 2005 Domestic WW, Greenfield Permit(s); Discharge NA/1.0/NA    (TN/TP/Turbidity) Municipal ⇒ River MMF Capacity: 0.5 MGD $6.0/gal 2 FTE (Full‐Time Employees)
Plans are now being made to have Ovivo upgrade the plant using Aerostrip (FB) diffusers, updated logic and innovative control strategies.

DESCRIPTION

Selecting an Ovivo MBR System allowed the municipal utility district (MUD) to phase in capacity overtime based on actual demand (lots sold).  The plant was designed to handle high peak flows (using offline equalization) and to routinely operate in a gravity filtration mode.  Plant effluent is reused as landscape irrigation water for the same subdivisions serviced by the system.    Moreover, wasted biosolids are processed onsite using a PAD‐ K system (aerobic digestion with membrane thickening). The integral PAD‐K process significantly reduces solids management costs, requires no polymer and is easy to maintain.  Plans are now being made to have Ovivo upgrade the plant using Aerostrip (FB) diffusers, updated logic and innovative control strategies.

LOCATION

Manor, TX

IMAGES

GENERATE PDF VERSION

PROJECT OVERVIEW

System Type(s) Enviroquip ® MBR, PAD-K®
Previous Facility Type None
Owner Wilbarger Creek MUD No.2
Engineer Murfee Enigneering
Contractor ECO Resources
Operations Cross Roads Utility Services
Delivery Method Pre-Purchase
Time To Retrofit 18 months
Total Installed Project Cost $3,000,000

PLANT DESIGN INFORMATION

Fine Screen Type Bar Screen
Aperture or Slot Size 2 mm
Supplemental Aeration Technology Medium Bubble, TransMax
MBR Blower Type Positive Displacement
Solids Management Data Aerobic Digestion, Membrane Thickening, Class B
SCADA System Wonderware
Disinfection Method Chlorine
# Process Stages 4

MBR (MEMBRANE ZONE) DESIGN

Filtration Mode PAG (Pump Assited Gravity)
# of Reactors : 2
Submerged Membrane Unit (SMU) EK400, KUBOTA®
# SMU 10
Design Flux (MMF) 14.7 gfd
Minimum Temperature 15°C
Peak Factor 2.0
# of Maintenance Cleans 4
Cordillera Ranch
Cultas Country