, Singapore

PUB launches tender for Changi Water Reclamation Plant expansion

Another 44 million gallons will be added to its treatment capacity.

The national water agency will be calling a tender for the expansion of Changi Water Reclamation Plant (WRP).

The project, which will add another 44 million gallons a day (mgd) to the plant’s treatment capacity, will be completed by end 2019.

The tender includes civil and infrastructural expansion works as well as the installation of advanced membrane bioreactor (MBR) equipment.

The MBR treatment module will be increased in two phases of 22mgd each, in tandem with used water flow projections.

Changi WRP was first commissioned in 2008 with an initial treatment capacity of 176 mgd. It iss one of the largest and most advanced water reclamation facilities in the world.

Changi WRP treats about half of the country's used water and produces treated effluent which is used as feedstock for NEWater production.

NEWater, an ultra-clean, high-grade reclaimed water, currently meets 30% of Singapore's water demand, and this is set to increase up to 55% in the longer term.

"With this expansion, Changi WRP will be one of the world's largest membrane bioreactor facilities. More importantly, it will produce more treated used water effluent for NEWater production and increase our water recycling rate, which will allow us to ensure a robust and sustainable supply of water for Singapore's future", said Yahya Abdul Ghani, PUB's Director of Water Reclamation.
 

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