Waste Water Monitoring For An Airport Group - Sponsored Whitepaper

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Waste Water Monitoring For An Airport Group

CAS DataLoggers recently provided the data logging solution for a major airport group based in the UK whose fluid run-off threatened to endanger aquatic ecosystems located near the airports. The commercial airline needed an online device capable of monitoring toxic discharges into local rivers. The airline routinely sprayed de-icers and anti-icers onto their aircraft before taking off during icy conditions as mandated by Federal Aviation Administration guidelines. Between 100 and several thousand gallons of de-icing fluid was used per aircraft application. While a portion of the fluid stuck to the planes, approximately 75% to 80% of the treatment would flow into the surrounding environment as run-off.

The bases of all de-icing fluids contain propylene and ethylene glycol, also used as antifreeze in cars. While the de-icers were decreasingly toxic, the anti-icer mixtures contained chemical additives preventing the formation of new ice. As government agencies were developing storm water run-off guidelines for the airport de-icing procedures, this group of airports were going to great lengths to monitor their toxic run-off to accommodate future regulations and lessen the environmental impact.

CAS DataLoggers Applications Analysts determined a MSP Remote Data Logger System (MSP) connected to an ultrasonic flow meter, would immediately provide the airports remote online web access to both current and historical data on discharge and flow volume. The MSP system featured analog, digital and serial sensor interfaces, a 20 channel data logger, local data storage, smart power management, batteries, a solar regulator, a GPRS modem, GSM/GPRS antenna and a global SIM card - all incorporated into a single unit. The data recorder also intelligently controlled and powered the airport sensors which supported a wide range of interfaces and protocols. Data was transmitted from onsite to the data logger manufacturer's central servers via the integrated GPRS modem. The MSP system was then interfaced with Flo-Dar flow sensors for real-time data collection. The Flo-Dar sensors combined digital doppler radar velocity sensing technology with ultrasonic pulse echo level sensing to remotely measure open channel flows.

Ruggedly-designed, the MSP system came housed in an IP65 weather-resistant enclosure, guaranteeing extreme durability. It had ultra-low power requirements, operating from an internal rechargeable lithium battery, and the unit was further supplemented by solar power. The MSP included several accessories, including a USB cable and a removable 1GB micro SD memory card.
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