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Specifically designed to disinfect the effluent from small aerobic treatment plants, the 3G Ultraviolet Disinfection Unit can reduce fecal coliform bacteria levels to well below the most stringent treatment standards, even when the upstream treatment plant is operating in a mild upset condition. Designed to disinfect home units, the patent pending 3G is safe and harmless. There are no adverse effects from overexposing the effluent to germicidal ultraviolet light because UV disinfection does not form byproducts. The 3G disinfection chamber couples directly to the aerobic plant 4’’ discharge pipe and is permanently installed below grade. When fully inserted, the sub-assembly is properly positioned by pins mounted near the top of the disinfection chamber. This well-defined flow path gives the proper fluid exposure time. The light source is mounted in the center of an anodized aluminum frame that divides the disinfection chamber in half. The frame seals against the inner surface of the disinfection chamber and prevents flow bypass. The disinfection sub-assembly, which extends approximately one foot above grade, is watertight. This protects the electrical connections against a fluid backup that could cause the wastewater effluent level to rise to the maximum height of the upstream treatment plant. The UV system operates on 120V AC and consumes less than 25 watts. A green LED indicator on the junction box confirms the operating status of the UV system. Maximum flow through the unit is rated at 3 gallons per minute (gpm), or 4,320 gallons per day (gpd).
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