“Decay of Strontium-90” A New Method to Find the Age of Drinking Water

Published By: IndustryARC Published On : 26-Feb-2016

Unsafe distribution facilities of treated drinking water is one of the major factors that almost all the countries are going through which shows impact on public health and environment. The major challenge for drinking water is to travel a miles way to reach consumer’s tap. In most of the Asia pacific region, nearly 50% of treated water is being polluted due to unsafe distribution of treated water through pipeline. The problem can be reduced with minimizing water's travel time in the pipes that maintains quality but water have to travel for days through municipal mains. 

The scientists from the University of Wisconsin have recently discovered a new technique to measure the age of treated water. It important to know the age of water as municipal water treatment plants treat water with chlorine to prevent microbial growth which keeps people from getting sick. However, those disinfectants react with organic material and create toxic substances in water. Currently, municipal managers test water age by modeling or injecting tracer dyes into the system. In this new method they test the decay of strontium-90, a radioactive byproduct of nuclear fission. It helps determine how long the drinking water spends in municipal or private water carriers before it reaches a customer's tap. The new method can help strengthen quality control in drinking water infrastructure around the world.


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