Search Results: free surface area

Open-Style DAF

The FRC PWL series dissolved air flotation (DAF) system is an open tank, low-built design optimized for treating wastewater heavily loaded with solids. The PWL DAF provides the large amount of free surface area required for flotation and separation in these applications. DAF systems can be used to effectively remove Total Suspended Solids (TSS), Fats, […]

DAF System Design | Plate Pack vs. Open Tank

FRC has two main DAF system designs: the PCL High Rate DAF System and the PWL Open Style DAF System. How is it that we decide to use one DAF system design over the other for a given wastewater application? That’s a good question. DAF systems are designed on two key calculations – solids loading rate and hydraulic loading rate. […]