Tutorial: Reverse Osmosis Membrane Technologies for Purifying Water
Today’s membranes for reverse osmosis are primarily thin film composite constructions or porous asymmetric films that are rolled into modules for incorporation into water purification plants. The composite membranes are comprised of non-porous thin surface layers coated onto porous mechanical polymeric supports that are all mounted on a fabric backing. They efficiently transport water under […]
Design Criteria and Operating Conditions Have Sizeable Impacts on Trace Organic Removal by Reverse Osmosis for Potable Reuse
This presentation describes the results of mathematical modeling that demonstrates the extent to which reverse osmosis design criteria and operating conditions affect the removal of trace organics in potable reuse applications. Reverse osmosis is used in advanced treatment facilities to remove a wide variety of organic compounds, and achieving high removal is important for protecting […]
Rethinking Membrane Plant Operations
The City of Bozeman WTP has had membranes in service for 8 years. Over the course of the last 8 years plant operators have been working to optimize and improve operations to be more efficient and sustainable. Operators have taken initiative to optimize coagulant dosages, membrane cleaning, minimize chemical usage for residuals treatment, and reduce […]
Managing and Treating PFAS in Membrane Concentrates
Per- and polyfluoroalkyl substances (PFAS) have detrimental impacts on human health and the environment. Reverse osmosis (RO) and nanofiltration (NF) have shown excellent PFAS separation performance in water treatment; however, these membrane systems do not destroy PFAS but produce concentrated residual streams that need to be managed. Complete destruction of PFAS in RO and NF […]
Emerging Membrane Strategies to “Unstick” PFAS from WRFs
This presentation will explore the environmental fate and transport of PFAS compounds and examine multiple pre-treatment strategies at WRF’s to mitigate their infiltration into our water sources. In addition, implementation of several potential MBR treatment trains at WRF’s will be discussed as an effort to reduce PFAS discharges from treated effluent. Finally, several disposal methods […]
The Maelstrom of Microplastics and Membrane Mitigation
Ian C. Watson Fellowship – 2022 Recipient
The American Membrane Technology Association (AMTA) is pleased to announce that the 2022 recipient of the Ian C. Watson Fellowship for Membrane Advancement is Mr. Christopher Hagglund of the University of Central Florida. Hagglund is a graduate environmental graduate student studying the Evaluation of the Impacts of Blending Nanofiltration Concentrate into the Feed Water of […]
Newsletter
Solutions Volume 41 Issue 1 2022
DBP Compliance Using Chlorine & Ceramic Membranes
Solutions Volume 41 Issue 1 2022
Newsletter
Solutions Volume 41 Issue 2 2022
