Capital Cost for Phased Expansions for Brackish Groundwater Desalination in Texas
This paper presents the capitol cost for a phased expansion for the San Antonio Water Systems ( SAWS) program to integrate 30 million gallons per day of desalinated brackish groundwater […]
Full Nitrogen Recovery And Potable Water Production From Human Urine By Membrane Distillation
This paper presented the possibilities of ammonia and potable water recovery from human urine through membrane distillation. Membrane distillation could offer some advantages regarding speed and efficiency over existing urine […]
Three Years Piloting of Osmotic MBR for Potable Reuse: Performance and Life-Cycle Assessment
This paper describes a hybrid ultrafiltration forward osmosis-osmotic membrane bioreactor (UFO-MBR) as a multi-barrier reuse technology that has been studied at the pilot level continuously in the last three years. […]
Application of Cryptosporidium Sensor and Bromate Ion Sensor to Optimization of Produced Wastewater Reuse As Drinking Water Source
This study summarizes the effectiveness of online and automation technology to monitor Cryptosporidium and bromate ion. A Bromate Ion Sensor and CrypotSensor developed for online and automation measurement were evaluated […]
Time to Clean Again? Changes in Cleaning Frequency and Effectiveness at the Richard A. Reynolds Groundwater Desalination Facility
This paper presented past and present operational data from the Richard A. Reynolds Groundwater Desalination Facility (RAR) in Chula Vista, CA operated by the Sweetwater Authority. Potential areas for optimization […]
Using Neural Networks to Process a Large Database to Quantify Causes of Reverse Osmosis Fouling
Artificial neural network (ANN) modeling was used to analyze a multi-year process database to extract detailed information about Reverse osmosis membrane fouling in a complex, dynamic Ground Water Recovery System […]
Predicting Antiscalant Dosages in RO/NF Feedwater With High Ferric Iron Concentrations
This paper discusses certain aspects of iron behavior, the developed computer model, and its application and validation using a pilot system at the Florida RO plant. Speciating the hydrolysis states […]
The Development and Use of a Cost Estimating Tool to Compare Submerged and Pressurized Low Pressure Membrane Filtration to Granular Media Filtration
This paper describes a preliminary level design tool that was developed to compare foot print requirements, capital costs, and operational costs between granular media filtration and membrane technologies, both submerged […]
NSF/ANSI 419: A New National Standard for Membrane Filtration
This paper presents NSF/ANSI 419 Public Drinking Water Equipment Performance – Filtration, a new NSF/ANSI national standard for microfiltration (MF) and ultrafiltration (UF) membrane modules. This new standard establishes performance […]
Pilot Testing for a New Membrane WTP With no Feed, Filtrate, or Backwash Pumps
This paper describes how the City of Port Townsend, WA chose low pressure membrane filtration to comply with LT2ESWTR for Cryptosporidium removal. The system had to match the existing system […]