
SEDIMENTATION AND FILTRATION
The sedimentation and filtration processes work together to remove suspended solids, turbidity, and other particulate matter from the raw water prior to disinfection. Sedimentation allows heavier particles to settle out under controlled flow conditions, reducing the load on the downstream filters. Filtration then polishes the water by capturing fine particles that remain, ensuring a clear, high-quality effluent. Together, these processes form a critical stage in producing safe, aesthetically pleasing drinking water while protecting public health.
TECHNOLOGIES
Hungerford & Terry GreenSand Filtration
Hungerford & Terry specializes in pressure filtration systems designed to remove naturally occurring contaminants such as iron, manganese, arsenic, and radium from water supplies. Using Greensand Plus media, H&T systems promote both oxidation and filtration within a single process, converting dissolved contaminants into insoluble particles that can be captured and removed. The result is a reliable and efficient solution for improving water quality in municipal and industrial treatment applications.
AdEdge Iron and Manganese Filtration
AdEdge Iron and manganese removal systems are designed to reliably reduce these contaminants to meet drinking water standards while improving overall water quality. Advanced treatment technologies provide efficient oxidation, filtration, and media-based removal to ensure consistent performance and long-term operational reliability for municipal and industrial water systems.
AdEdge Ion Exchange Systems
AdEdge designs and manufactures, and installs advanced, customized ion exchange (IX) systems for removing contaminants like arsenic, nitrate, PFAS, uranium, and chromium-6 from drinking and industrial water. These systems, which range from compact modular units to large skid-mounted, pre-engineered plants, are designed for efficiency, high flow rates, and low maintenance.
Leopold Type S Underdrains
The Leopold Type S is a dual parallel lateral filtration underdrain designed for uniform air and water distribution, efficient media cleaning, and extended filter runs. Made from durable HDPE it offers strength, corrosion resistance, and flexible installation for new or retrofit projects. Available with I.M.S® media retainers to eliminate gravel layers, the Type S increases media depth, improves backwash efficiency, and lowers operating costs.

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