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Sign upDecember 23, 2018
Farys
Brakel
Farys is a Belgian drinking water supplier, maintaining close to 12,000 km of low-pressure water networks and 700 km of high-pressure piping, serving 1.4 million consumers in Flanders. In 2018, just before Christmas, a pipe burst interrupted the water supply by one of the high-pressure collectors transporting drinking water from the Brussels area towards Brakel. As part of Farys‘ incident response strategy, a BactoSense instrument was installed to monitor the microbial water quality during the repair work. The device proved particularly useful in validating the pipe flushing efficiency and assessing the effects of shock chlorination on the microbial load after the repair.
The immediate test results of BactoSense were of valuable assistance to the conventional water quality tests (heterotrophic plate counting) from the lab. They helped to prevent the supply reservoir from running empty.
The actual situation in terms of microbial contamination detection on drinking water plants is very slow and not reliable. First, the actual method takes 2-3 days to show any abnormal situation, time where population will get sick. Secondly, the actual procedure identify only a small percentage of bacteria (1-5%) as not all bacteria are able to growth on a dry nutrient support. The whole procedure requires 50 gr of plastic of lab consumable. The BactoSense device detects automatically in less than 30 min all bacteria in water directly coming from the process via a single sampling tube. When placed at the entry of the plant, the device acts as an early warning system in case of abnormal microbial conditions. When placed in other locations, process optimization can be generated with potential reductions of chlorine, impacting positively tap water acceptance and bottled water consumption (EU major initiative). On a 10 years basis, 1000 kg of plastic consumption and more than 3 to of CO2 can be avoided.
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