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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

Piedmont

Piedmont

PROJECT HIGHLIGHTS

Commissioned December, 2012 Domestic WW, Greenfield Permit(s); Discharge 10/1/1   (TN/TP/Turbidity) Municipal -> Saluda River, Anderson County MMF Capacity: 4.0 MGD $7.5/gal 2 FTE (Full‐Time Employees) 
Piedmont Regional WWTP is the largest membrane bioreactor treatment facility in South Carolina.

DESCRIPTION

With tighter effluent limits imposed by the South Carolina Department of Health and Environmental Control for the Saluda River, the County had to search at alternative options for the treated wastewater which would require new infrastructure. Several technologies were evaluated, and an Ovivo membrane bioreactor (MBR) system was selected. The new Piedmont facility consolidated the existing Grove Creek and Piedmont treatment plants, and also manages flows from surrounding areas including Pelzer, West Pelzer and Williamston. Effluent is discharged into the Saluda River through a river diffuser. The Piedmont Regional WWTP includes grit removal, wet weather equalization, fine screening, biological nutrient removal (BNR), flat‐plate submerged membrane units; low‐pressure, ultraviolet (UV) disinfection, and a reuse system for on‐site irrigation and plant uses. Sludge is thickened using flat‐plate submerged membrane units, and stored for off‐site anaerobic digestion.

LOCATION

Piedmont, SC

IMAGES

GENERATE PDF VERSION

PROJECT OVERVIEW

System Type(s) Enviroquip ® MBR
Previous Facility Type Lagoon
Owner ReWa
Engineer Jacobs Engineering Group, Inc.
Contractor MWH Constructors
Operations Renewable Water Resources (ReWa)
Delivery Method Design Build
Time To Retrofit 24 months
Total Installed Project Cost $30,000,000

PLANT DESIGN INFORMATION

Fine Screen Type Drum Screen
Aperture or Slot Size 2 mm
Supplemental Aeration Technology Fine Bubble, Discs
MBR Blower Type Positive Displacement
Solids Management Data Membrane Thickening (MBT)
SCADA System Wonderware
Disinfection Method UV
# Process Stages 4

MBR (MEMBRANE ZONE) DESIGN

Filtration Mode Pumped-Assisted-Gravity
# of Reactors : 4
Submerged Membrane Unit (SMU) SP400, KUBOTA®
# SMU 72
Design Flux (MMF) 12.9 gfd
Minimum Temperature 10°C
Peak Factor 2.0
# of Maintenance Cleans 2
Pentwater
Port Gamble S’Klallam Tr...