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Pilot Travel Center
PROJECT
- Commissioned October, 2013
- Commercial WW, Retrofit
- Permit(s): Discharge
- 5/NA/2 (TN/TP/Turbidity)
- Travel Center Spray field
- MMF Capacity: 0.025 MGD
- .5 FTE (Full-Time Employee)
- Quick Delivery, Consent Upgrade
Ovivo®Facing a MADEP consent order with a RBC system, a retrofit upgrade of the system using microBLOX® technology brought the facility into compliance
PROJECT OVERVIEW
| System Type(s): | Ovivo® MBR |
| Previous Facility Type: | RBC |
| Owner: | Pilot Travel Center |
| Engineer: | On Site Engineering |
| Contractor: | R.H.White |
| Operations: | Whitewater |
| Delivery Method: | Pre-selection, Pre-purchase |
| Time To Retrofit: | 6 Months |
| Total Installed Project Cost: | Unknown |
DESCRIPTION
Using the general principals of a conventional MBR system combined with SND in the activated sludge process, nitrogen removal and filtering is accomplished in a single tank without the need for recycling (i.e., single stage system). To attain the predetermined dissolved oxygen set points, the dissolved oxygen is increased by utilizing the supplemental oxygen feed system to inject highly concentrated oxygen, thereby promoting nitrification (formation of nitrates), then enabling denitrification by reducing the oxygen feed to allow the bacteria to consume dissolved oxygen associated with the formed nitrates, which then results in formation of nitrogen gas. By incorporating SND in activated sludge process, the oxygen requirements for the system are reduced resulting in reduced energy and operational costs.
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 : | Membrane Thickening, Hauling |
| SCADA System : | Red Lion |
| Disinfection Method : | None |
| # Process Stages : | 1 |
MBR (Membrane Zone) Design
| Filtration Mode: | Pumped |
| # of Reactors: | ES150 |
| Submerged Membrane Unit (SMU): | OV480 |
| # SMU: | 2 |
| Design Flux (MMF): | 9.7 gfd |
| Minimum Temperature: | 10 °C |
| Peak Factor: | 1 |
| # of Maintenance Cleans | 6 |
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