Achieving Stringent Nutrient Compliance
With environmental regulators placing ever greater scrutiny upon nutrient control, many wastewater treatment facilities, both new and existing, are having to review additional processes and technologies to achieve effluent compliance. […]
Performance Metrics for Ageing of Drinking Water Membranes
Our work explores how drinking water membranes age over the long-term in operational settings. By partnering with water treatment plants and monitoring their membranes over several years, the performance of […]
A Concept For Open Platform Membrane Systems
Over the last 15 years, low pressure membrane systems have continued to evolve and are now the preferred treatment technology for many water applications. New membrane materials, system design, and […]
The Art of Retrofitting UF/MF Systems: A Comparison of Strategies, Costs, and Results
As UF/MF membrane modules reach the end of their useful life, end-users have more options than ever before to either purchase direct module replacements or upgrade the system. Recent trends […]
California Ocean Plan Amendments: Applicability and Requirements for New, Expanded, and Existing Facilities
Although the City of Santa Barbara’s seawater desalination plant and intake are exempt from the Ocean Plan Amendments’ (OPA) requirements, the City has chosen to conduct its subsurface intake (SSI) […]
Optimizing Pretreatment for a High Organic Florida Surface Water
The City of Marco Island is in the process of converting from lime softening to low-pressure reverse osmosis to reduce significant annual operating cost, while significantly improving finished water quality, […]
Design of a 14.8 MGD High Recovery Rate RO Plant for Reclamation of Municipal Wastewater Effluents Utilizing Advanced Membrane Technology
The process of reclamation of secondary or tertiary municipal wastewater effluent utilizing advanced membrane technology is well established. Numerous large capacity systems operate worldwide with a standardized configuration with very […]
Improving Organic Reduction and Overcoming Challenges of a Membrane Bioreactor (MBR) Treating Wastewater from Plastic Production
The Chesapeake Bay Watershed Initiative (CBWI) of 2010 required many wastewater treatment plants discharging to affected waterways to meet progressively lower effluent contaminant levels. While the initiative’s impact was felt […]
Making Good Better: Optimizing Salinity Management Using Time-Step Water and Salt Balance
Good, Better, Best. Never let it rest. To proactively manage their limited water resources, many inland utilities and private sector water consumers have embarked and maintained certain level of salinity […]
A Supplier’s Perspective on Interchangeable designs in both Pressurised and Submerged UF
Discusses how progressive design-build project delivery approach was used to successfully deliver the first universal rack membrane filtration system in Pennsylvania. Topics to be addressed include the challenges of implementing […]
