Using RO/NF Modeling and Testing Methods to Assess the Impact of Changing Water Quality
Discussion on RO modeling versus testing, with recommendations on when to select one or the other. Further discussion is presented on the limtiations of modeling vs testing, along with data […]
Comparison between performance of reverse osmosis and nano-filtration membranes in the process of desalination of brackish water
Comparison of results using either nanofiltration or brackish elements on a brackish groundwater source. This was a bench scale study.
Innovative, Membrane-Based Treatment Method for Brines from Coal Seam Gas Production
This paper presents summary results of bench and factory testing of the MAX-RO process, used to develop a concept-level design for a full-scale brine volume reduction facility. Reducing brine volume […]
Integrated Membrane Portfolio Key Role for Water Supply For Water District in Arid Southwest
The IRWD was a typical water agency in southern California, utilizing imported surface water supplies for potable water usage. As demands for water increased the District evaluated multiple, local water […]
Replacing 8.5-inch Diameter Membranes to Save Energy – The City of Vero Beach RO WTF
The City of Vero Beach and Reiss Engineering replaced 10-year old 8.5 inch diameter membranes in an existing 2 MGD reverse osmosis skid with more efficient modern elements in order […]
Sulfuric Acid Pretreatment Elimination Reduces OPEX for City of Palm Coast?s Membrane Softening Plant
Eliminating sulfuric acid injection in the NF feed at the City of Palm Coast site improved cartridge filter run times and led to a significant reduction in chemical consumption. The […]
Reducing The Operating Costs of Brackish Water Systems Through Seasonal Optimization
This paper specifically discusses the success of implementing seasonal pretreatment adjustments by experienced operators with primary feedwater sources originating from the Bull Run Watershed in the Pacific Northwest, USA. Through […]
Energy Consumption Optimization of a Small Scale PV-RO for Remote Rural Areas
In this paper, energy consumption optimization for Brackish Water RO (BWRO) systems in small, remote, rural communities is investigated. The key control factors for minimizing BWRO energy consumption include pressure, […]
Universal MF/UF System Design Implemented in A Full Scale Wastewater Reuse Plant
It’s expected that MF/UF system design will continue to move towards standardization as previously observed in the RO membrane industry. A universal skid design would be a significant advancement to […]
Data Analysis and Performance Monitoring
Presents issues aroudn membrane operation, hydraulic data analysis, and factors which impact membrane ageing