Performance of Commercial Asymmetric Cellulose Acetate Membrane Compared to Polydopamine Modified Thin Film Composite Membranes for Forward Osmosis
In forward osmosis applications the cellulose acetate (CA) membrane offers the best performance but carries the limitation of not tolerating a basic feed water. This characteristic eliminates the CA membrane […]
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 […]
Obtainment of Polymeric Membranes from Sugarcane Bagasse
Cellulose acetate (CA) membranes are generally produced from wood or cotton cellulose. Cellulose acetate can be produced from sugarcane bagasse which is a lower cost alternative. Dichloromethane was used as […]
The Need for Seed: Building Biomass at an MBR Plant
This paper tracks and examines the sensitive nature of the membranes, seeding process, biomass growth rate, lessons learned and plant startup results for the two Membrane Bioreactors (MBR) located in […]
New Approach to Evaluate the Performance of High Loading Rate Dissolved Air Flotation in Seawater
This paper presents a study for seawater pretreatment using of a flow profile visualization method in three-dimensions using Acoustic Doppler Velocimeter (ADV) and MATLAB. Flow patterns in contact zone/separation zone/effluent […]
Performance Testing of a 380 ML/d Retrofitted Membrane/UV Oxidation WTP
This article presents the results at the Lorne Park Water Treatment Plant (WTP) in Mississauga, Ontario, Canada of the performance testing that was conducted and lessons learned for future membrane […]
No Cause For Alarm? How What is Not Covered in the MFGM Can Impact MF/UF Plant Operations and Control System Set Points
This paper and associated presentation explores these areas of regulatory discretion under the Long-Term 2 Enhanced Surface Water Treatment Rule (LT2ESWTR) membrane regulatory framework, discussing the impact of different approaches […]
Addressing Start-Up Challenges With An In-Line Filtration Facility
This paper discusses the use of in-line filtration with ultrafiltration (UF) membranes for disinfection by-product (DBP) precursor reduction, the challenges experienced during start-up of the facility, and the measures taken […]
Eight Years of Ultrafiltration What We’ve Learned, What We Don’t Know
Racine Water Utility (RWU) implemented ultrafiltration treatment for pathogen removal as the final step in the drinking water treatment following conventional coagulation, flocculation, settlement, and filtration on water from Lake […]
Implementation of Constant Pressure Desalination Method in Larnaca SWRO Desalination Plant Renovation
The paper presents how the constant pressure desalination process work and compares it with conventional reverse osmosis desalination.
