A Novel Application of the Tertiary Membrane Bioreactor Technology for Water Reuse – A Comprehensive Pilot Testing
Membrane bioreactors (MBRs) combine secondary treatment and solids separation in one system that produces high quality effluent with virtually free of solids. Coupled with widely used biological nutrient removal (BNR) […]
Increasing Reuse Supplies by Blending Nano Concentrate with Treated Effluent
The Loxahatchee River District (LRD) was one of the first large utilities in Florida to produce 100% reclaimed water in the 1980s. LRD’s overal wastewater management strategy is to provide […]
Know When to Hold ?em, Know When to Fold ?em. How Long Will Low Pressure Membranes Last?
As a major investment, membrane life has a significant impact on the life cycle cost of a treatment facility with the key to optimum performance is the right balance between […]
Open Intake RO Pretreatment for Harmful Algal Blooms
To meet the growing demand for water in arid areas, most large desalination plants have opted for open seawater intakes with media filtration or UF membranes prior to RO treatment. […]
What’s New in Membrane Autopsies
This presentation on membrane autopsies is from a preconference workshop in 2014 that addresses issues from an Operators point of view. Why and when to perform a membrane autopsy along […]
Creating a New Legacy Out of the Past: Membrane Retrofit of the Brandywine Filtration Plant
This paper presents the challenges faced during design, construction, start-up and first year of operation with retrofitting a 90+-year old plant with the latest and greatest surface water treatment technology.
Membrane Treatment Process Operated in Parallel with a Conventional Surface Water Treatment Facility
This paper and presentation address some of the challenges that operators face when attempting to operate a membrane treatment system in parallel with a conventional surface water treatment facility to […]
The modification of PVDF hollow fiber membrane (HFM) via AGET atom transfer radical polymerization (ATRP)
Fouling of PVDF hollow fiber membranes is decreased by grafting 2-carboxyethylacrylate (CAA) from membrane surface via an activator generated by electron transfer. This process is significantly improved through the use […]
White Plains Microfiltration Plant Upgrade: Changing Membrane Material to Overcoming Challenges
This paper provides an overview of the drivers for the microfiltration (MF) upgrade project in White Plains, NY, while elaborating on benefits, challenges, and lessons learned.
Features of New PTFE-Made Microfiltration Hollow Fiber Membrane Module and Its Application for Oil and Gas Wastewater Treatment
Large amounts of wastewater are generated by some processes used to extract underground crude oil. A PTFE hollow fiber MF/UF membrane offers a reliable method of treating this wastewater and […]