Veilig wonen door goed grondwaterbeheer

Around the landfill site in the Wieringermeerpolder leachate (rainwater pollutes because it flows through waste) is extracted from ten strategically situated sumps to prevent leakage into the groundwater. Use is made of a Hitachi PLC to control the entire process. C.A.R.S takes care of reliable control, monitoring and detection of faults.

The extracted leachate gets pumped to the landfill’s treatment plant where it undergoes biological treatment before being discharged into the nearby surface water. The treatment plant was built in 2003 and its design enables it to treat 20 m³/hr. The wastewater contains up to 900 milligrams of ammonia per litre. After treatment this drops to less than 30 milligrams per litre.

Complete control

Complete control over the Wieringermeerpolder landfill water treatment plant wse is made of a Hitachi PLC to control the entire process. The PLC uses the Dupline fieldbus to monitor and control the ten sumps that are distributed around the area. The main station of C.A.R.S takes care of reliable control, monitoring and detection of faults.

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