Optimization of Abandoned Mine Drainage Treatent by Commercially Available Nanofiltration Membranes
Abandoned or acid mine drainage (AMD) is characterized with high sulfate and metal ion concentrations and acidic pH and has been a pervasive environmental concern for over five decades. Problems […]
Energy Recovery Devices, Membrane Flux Balancing and Net Energy Consumption For Recycled Water – A Full Scale Evaluation
At the Orange County Water Districts Groundwater Replenishment System, 6 – 5 mgd Reverse Osmosis units have been recently installed to provide an additional 30 mgd of treatment capacity. The […]
Being Good Stewards: Improving Effluent Quality On a Barrier Island
The City of Sanibel’s (City) Donax Water Reclamation Facility (Donax WRF) is a conventional activated sludge treatment plant with a permitted design capacity of 2.375 million gallons per day (MGD) […]
The Role Of Membrane Bioreactors in Addressing Chesapeake Bay Challenges
This paper will focus on the current water quality of the Chesapeake in comparison to other areas, address ongoing initiatives to reduce pollutants that help preserve wildlife as well as […]
Fixing the ?Data Rich, Knowledge Poor?: Leveraging Information Technologies for Enhanced RO Performance and Maintenance
Reverse Osmosis (RO) systems are monitored and maintained using a combination of SCADA, laboratory analysis and manual inspections. Changing factors such as temperature, feed water quality, permeate flow and system […]
Plant Optimization for an Inland Industrial RO Reuse Facility
The Tampa Electric Company (TEC) recently commissioned a $100 million industrial water reuse facility at their Polk Power Station located approximately 40 miles southeast of Tampa, Florida. The project includes […]
Separation of Organics and Salts with Ion-Exchange Membranes: Effect of Matrix and Organics
Ion-exchange membranes can be used in different applications and sectors, from seawater desalination to selective separation in industrial water treatment. However, the transport of organics, and potential contamination of produced […]
The Effect of IN-SITU Silver Nanoparticle Coating Onto UF and RO Membranes For Biofouling Control to Water Permeability
Biofouling remains one of the greatest challenges to the water industry to date. Among the many strategies practiced by the water industry, an effective pretreatment system with cleaning protocol (Clean-in-Place, […]
Permitting of seawater desalination in California: the State Water Resources Control Board’s Desalination Amendment to the California Ocean Plant
The State Water Resources Control Board adopted the Desalination Amendment to the California Ocean Plan in 2015. The Desalination Amendment requires newe or expanded seawater desalination facilities to use the […]