Webitat™ for Oxidation Ditches CNW, VA
The Coeburn-Norton-Wise (CNW) Regional Wastewater Treatment Plant in Coeburn, VA chose Entex’s Webitat system for the upgrade of its 6.5 MGD facility.
Entex engineers have designed and installed numerous IFAS (Integrated Fixed-film Activated Sludge) and SFF (Submerged Fixed-Film) systems. That experience leads to high quality designs, smooth execution, and satisfied customers. Our attached growth media, including BioWeb and EnTextile, has been used in dozens of wastewater system upgrades, large and small, industrial and municipal. Our Webitat modules using BioWeb media and our WavTex modules using EnTextile media, both install quickly and easily and require virtually no maintenance. Entex IFAS and SFF package plants offer a comprehensive solution to customers who seek a single source for their project.
The case studies featured on this site represent a sampling of Entex projects. For more information, contact us.
The Coeburn-Norton-Wise (CNW) Regional Wastewater Treatment Plant in Coeburn, VA chose Entex’s Webitat system for the upgrade of its 6.5 MGD facility.
A 7.7 MGD lagoon in Big Sister Creek, NY needed to replace an aging and under-performing submerged aeration system. Entex installed 36 Octopus Floating Aeration modules
The higher acid content in crude produced from hydraulic fracturing requires oil refineries to increase use of nitrogen-containing corrosion inhibitors.
The Oxidation Ditch in Dahlgren VA was upgraded using Entex’s IFAS Webitat system to achieve stringent total nitrogen limits.
Coeur D’Alene, ID is a great testament to how well the Webitat system works, even within non-IFAS systems, like Contact Stabilization.
Prior to the Webitat upgrade, the plant struggled to meet permit by the first of May each year. Sixteen modules were installed into two lagoons over a two day period. Effluent ammonia levels decreased to well below 5 mg/L.
Kenosha Beef International, Ltd installed two Webitat modules in their existing lagoon in Wisconsin. The Webitat modules were installed with an integral aeration system which combines with the Webitat baffles to set up an air lift mixing pattern, enhancing mixing in the lagoon.
The City of Snohomish, WA installed 18 Webitat modules in each of three lagoons at their existing wastewater treatment plant. They have achieved excellent results.
A BioWeb was installed in the waste water treatment plant at Green Cove Springs, Florida. The plant achieved complete nitrification, meeting discharge permit requirements.
Mr. Frank D’Ettorre of the Johnstown Redevelopment Authority said “With Entex’s cost-effective technology, we were able to save our ratepayers almost half the original estimate. And, with Entex’s system, the implementation time and construction costs were dramatically reduced.”
Entex provided eight Webitat modules to be installed at the end of the Mt. Wolf system to provide enhanced nitrification and denitrification. The eight Webitat modules contained 71,500 ft2 of BioWeb media.
A BioWeb system was installed at this animal waste treatment facility. The system operates with no discernible odors at the top of the treatment tank, and has a very small footprint of 7.62 m in diameter.
The Webitat system corrected several historical problems the plant faced, including hydraulic washout, by fixing a portion of the biomass in the basins to ensure continuous treatment.
Entex Technologies increased the treatment capacity and efficiency at the Owens Corning wastewater plant in Newark, Ohio, by adding BioWeb modules to their existing sequencing batch reactor (SBR).
The Colony saved over $2,000,000 in aeration basin construction costs by choosing to modify and augment their existing basins with IFAS media. Overall plant performance has been excellent.
The FlowTex cloth disc filter will help effluent from the plant irrigate home subdivisions, public parks and other open areas. This means conserving ground water and extending the useful life of the area’s Water Treatment Plant.
A tertiary disc filter was installed and started up at the Village of New Baden WWTP in IL. The wastewater facility improvements include a new moving bed biofilm reactor, FlowTex cloth disc filter and ultra violet disinfection system.
Pine Creek Municipal Authority upgraded their plant to increase capacity and meet the Chesapeake Bay nutrient discharge requirements for total nitrogen and phosphorus. The FlowTex™ filter has exceeded expectations with effluent TSS well below the permit requirement.
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