Flow, level & control
which proved the GAC filtration process was successfully removing all of the chlorine. If any anomalies do occur, an email is sent directly to the operator. Currently, the Online Water Analysis System is used purely as a monitor, but in the future, it will activate a visual alarm on site if chlorine is detected after the GAC filters. This could be taken to the next level by adding a diverter valve which would prevent any contaminated water from entering the RO system until the issue was resolved.
IMPROVING DETECTION RATES The Online Water Analysis System offers many benefits to operators that require effective and reliable water monitoring, most notably the ability to measure chlorine levels without using reagents. In addition, the frequency of sampling is much higher than conventional systems, enabling even short-lived anomalies to be detected and reported. In fact, the sampling frequency for chlorine detection using reagents may be lowered by some operators to reduce costs, but this can lead to significant events being missed. The online capabilities of the Type 8906 also enable the operator to diagnose problems remotely. Looking at all the sensor data, including flow sensors, it is possible to determine the veracity of the issue and, if necessary, dispatch an engineer to the site to take remedial action. In fact, if the analysis parameters need to be amended, or the software needs updating, this can all be completed remotely. As a result of this collaboration, Veolia Water Technologies Ireland now has a reliable chlorine detection system that can protect the RO membranes and ensure only purified water is utilised for the steam generation process. In addition, Bürkert customers can also visit the Veolia Life Science Centre of Excellence to see the range of equipment involved in water purification.
Bürkert Fluid Control Systems
www.burkert.co.uk
Instrumentation Monthly April 2025 23
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