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Filter plant optimisation


The largest bulk water supplier in KwaZulu-Natal, with 100 sand filters, contacted Pulse Control Systems to review their filter operating model.

Posted on: June 19, 2019, in Updates

The largest bulk water supplier in KwaZulu-Natal, with 100 sand filters, contacted Pulse Control Systems to review their filter operating model. Upon investigation and based on the latest technological innovations, our approach – as a thought partner with the client – saw us reviewing current best practices globally. Based on a review of our analysis and considerations, the client chose to automate their filter cycle using water quality monitoring, as opposed to time-based control. Using turbidity and level control, Pulse Control Systems has extended the life of the filters and reduced wastage through minimising the number of backwash cycles required. The client has expressed their need to roll this out to all of their filter plants.

Technologies used include:

• turbidity monitoring
• ultrasonic level monitoring
• software design and implementation
• radiofrequency identification (RFID)

The impacts forecast by Pulse Control Systems includes:

• higher-quality output
• less downtime per filter
• no maintenance required
• significant water savings owing to fewer backwash cycles
• access to instantaneous and historic data.


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