Upgrade your biological wastewater treatment systems with our efficient and economical systems. Entex solutions maximize the effectiveness of your existing tankage. Our fixed film technology improves your system’s removal of BOD, NH3-N, TN or P and increases biological populations in a way that allows you to place biomass where you need it and keep it there. Upgrades are made rapidly with minimal disruption to normal plant operation. Fixed film biology improves your plant’s overall settling characteristics, reduces net sludge yields and provides your operators with a stable operating platform resistant to storm flow washout and toxic shocks.
Conventional activated sludge uses a suspended biomass to provide a flexible and efficient treatment system. While some AS systems use complete mix basins, a plug flow process with longer narrower basins is more common today. Similarly, while some AS systems still use older coarse bubble diffuser
Contact stabilization activated sludge process (CSASP) typically achieves the same treatment efficiency in a smaller volume than conventional activated sludge plants. CSASP is particularly suited for small to mid-scale plants where influent wastewater contains a high fraction of particulate COD.
Extended Aeration is a type of activated sludge process with no primary settling and very long aerobic detention time to generate less excess sludge overall. It is ideal for smaller flow, modular applications that require low maintenance, such as residential subdivisions. But the long HRT of Extended Aeration
Lagoons are pond-like treatment systems designed to receive, hold, and treat wastewater for pre-determined periods of time. They are often lined with clay or an artificial liner to prevent leaks to the groundwater below. Many plants are built with aerated lagoons because it is a relatively low-cost option which
The oxidation channel or ditch may well be the most user friendly of current wastewater treatment systems. The true version is extended aeration, which appears to be plug flow, but has complete mix reactor kinetics. It is very forgiving, and with modern variations of multiple channels, it is resilient and flexible. It is,
Since the 1980s when the EPA published its first Sequencing Batch Reactors (SBR) design manuals and SBRs became widely adopted, the SBR technology has not significantly improved, but the loads have steadily climbed. 30 years later, many SBRs are observing decreased treatment efficiency due to increasing loads.
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