The expansion will raise its water treatment capacity by up to 96 million gallons a day.
SINGAPORE – National water agency PUB on June 20 announced a tender to expand the Changi Water Reclamation Plant – the facility’s third expansion since 2008.
The third expansion of the Changi plant will incorporate advanced membrane bioreactor technology that is more space- and energy-efficient in the used water treatment process. The technology also produces better-quality treated used water for Newater production. As at 2023, Singapore’s daily water consumption is about 440 million gallons. Water demand is expected to almost double by 2065, of which two-thirds are projected to come from non-domestic sectors.
Newater is primarily used for industrial and air-conditioning cooling purposes at wafer fabrication plants, industrial estates and commercial buildings. Associate Professor Darren Sun Delai from NTU’s School of Civil and Environmental Engineering said water reclamation plants are essential as they prevent treated used water from being lost and reduce the need for water from the other three national taps.
The cost of water reclamation from Newater factories is at least 30 per cent lower than that of desalination.
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