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Variable Salinity Plant
 
Background

PUB has pioneered a new water treatment technology by integrating desalination and NEWater treatment processes to treat water of varying salinity into potable water. This Variable Salinity Plant (VSP) technology has potential to increase the water catchment area in Singapore from 67% to 90% by tapping the small rivers and streams as sources of water as it is not cost efficient to build conventional systems for such small catchments.

Following its success of a pilot study, PUB embarked on a medium scale demonstration VSP of 1 mgd (4,550 m3/day) capacity at Sungei Tampines in 2007.

Plan

With this new technology, PUB aims to increase the overall catchment area in Singapore to about 90% in the long term.

Benefits

We will be able to harness more rain water from the remaining marginal catchments in Singapore to augment water supply at a lower cost.

 
 
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