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PUB to tackle energy use and sludge generation in water treatment

Meeting future demand with current technology in water treatment is unsustainable

Using today's technology in water treatment will see electricity use go up four times to 4,000 GWh a year and the amount of sludge generated doubling to 600,000 tonnes a year by 2060.


WITH the search for new water sources reaching its limits, Singapore is setting its sights on another key area of research, to make sure it squeezes more value from each drop of clean water it produces.

A significant chunk of the S$435...

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