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Standard Efficiency Petito™Johnson EIC 's Petit Tornado™ grit vortex system removes sand and inorganic material before the wastewater treatment process. Historically one of our most popular and effective products, the standard efficiency Petit Tornado™ offers the same advantages as the standard Petit Tornado™ with improved grit removal efficiencies. Performance data through the high-efficiency unit has shown 95% removal of all grit 100 micron and larger.
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Standard Efficiency Petit Tornado™Recent studies and data from operating plants indicate as much as 60% or more of the inorganic material contained in domestic sewage is fine material (particle size less than 200 micron) and not removed by conventional grit removal systems. The removal of this fine material through the use of the Johnson EIC's Petit Tornado has numerous advantages in modern treatment plants. The Standard -efficiency Petit Tornado™ takes maximum advantage of the principle of subcyclonic separation through a combination of forced and free vortex along with gravity. The systems consists of the free-standing grit vortex chamber with support legs, AirCirc™ cleaning system, air-liquid separation unit, circulating jet motive nozzle, grit pump, blower station and automatic control panel.
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