Presby Environmental Inc. (PEI)
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- EnviroFin - Onsite Wastewater Treatment ...
EnviroFin - Onsite Wastewater Treatment System
Presby Environmental’s Newest Product. Exceeds NSF/ANSI Standard 40 Treatment Level Requirements. Ships Easily and Affordably Internationally and Nationally Through All Major Carriers.
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skimmer

10 Stages of EnviroFin Treatment
- Warm effluent enters the FDU and is cooled to ground temperature.
- Suspended solids separate from the cooled liquid effluent.
- Skimmers further capture grease and suspended solids from the existing effluent.
- Perforations in the FDU allow effluent to seep into the dense mass of coarse, randomly oriented fibers and separate more suspended solids from the effluent.
- The pipe (air duct) at the top of the fin allows air to flow along its length and into the fibers & System Sand promoting bacterial growth and treatment of the effluent. It is also a conduit for removal of waste gases at a different point in the cycle.
- The fabrics and fibers provide a large amount of bacterial surfaces to break down solids.
- Effluent passes into the geo-textile fabrics and grows a protected bacterial surface.
- The sand wicks liquid from the geo-textile fabrics and enables air to transfer to the bacterial surfaces.
- System Sand finishes treatment (polishing) of effluent to third party certified better than secondary treatment levels.
- An ample air supply and fluctuating liquid levels increase bacterial efficiency and sustainability of the process.

