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Flocculants and coagulants are commonly added to waste water before it enters the sedimentation tanks. The addition of the chemicals binds particulates in the wastewater and either floats them to the top (flocculants) or sinks them to the bottom (coagulants).
The resulting sludge or scum is scraped away, leaving relatively clean water inbetween to advance to the next stage of the treatment process.
The chemicals that provide this function are stored in large bins or tanks close to the sedimentation process. The tank levels are monitored by means of an APG FL Series float level switsch. The self-contained versions provide convenience in installation and
are economical.
Some sedimentation equipment, such as clarifiers, do not require any level monitoring, whereas other methods of sedimentation require control of the devices which remove the sediment. Sediment levels are often monitored to provide alarms or control functions. Sediment level monitors may be used to actuate the scrapers which remove the sediment from the tank.
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Chemical Treatment and Supply
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Stainless steel or plastic construction |
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Up to 4 float positions on a rigid stem |
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Chemical compatibility with almost all chemicals |
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Optional tank alarm and controls
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