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Traditional activated sludge treatment plants where a mixed community of microorganisms in an aerobic aquatic environment performs the biological process. These treatment systems are suitable for residential communities not connected to the sanitary sewer system.
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Tertiary treatment systems are associated to activated sludge treatment systems in order to provide disinfection and filtration to treated water prior to its re-use for irrigation or similar applications.
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Sub-irrigation systems are particularly suitable for small communities located in rural villages or any other low population density areas not connected to the municipality sewer line. Pre-treated wastewater is distributed into polyethylene absorbent basins where emergent rooted hydrophytes perform their natural phytodepuration process.
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Grease traps are utilized for the pre-treatment of the grey water coming from kitchens, sinks, washing and dish washing machines, showers and sinks. The Grease Trap is a receptacle which separates by floatation greases contained in the detergents and allow the sedimentation of sand or other inert material contained in the wastewater. Grease traps are generally installed before an activated sludge treatment system, or prior to wastewater discharge into the sewer.
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Oil Trap tanks are utilized in service stations, parking areas, garages, car and truck washes and wherever wastewater effluent contains oil, hydrocarbons and sediments. This system entirely made by polyethylene separates by gravity oil and hydrocarbons from the wastewater prior to its disposal into public sewer lines or to treatment plants.
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The Technical Handbook presents and describes ISEA’s most recent products.
