Perth SWRO Desalination Plant

Perth SWRO Desalination Plant

Construction, operation and expansion of the Binningup Desalination Plant (Perth, Australia).

The Southern Seawater Alliance Consortium, consisting of Sacyr Agua, Técnicas Reunidas, AJ Lucas and WorleyParsons, designed and built the first phase (completed in 2011) and the expansion (completed in 2014) of Binningup's Reverse Osmosis Desalination Plant. After the expansion, the plant reached a production capacity of 100 Hm3 per year. The consortium also operates and maintains the plant.

The desalination plant has a capacity to produce 306,000 m3/day of drinking water, covering 17% of Perth's water demand.

The plant has been an example of sustainability both in its construction phase by non-invasive marine construction technology (with tunneling and tunneling pipelines), architectural and landscape integration, control of marine and terrestrial species (Possums corridor), of exploitation and the policy of non-use of chemicals in pre-treatment. It also highlights the supply of renewable energy from the Mumbida Wind Farm (55 MW wind power plant) and the Greenough Solar Farm (80 ha solar power plant, 10 MW).

The treatment process consists of:

  • Open seawater intake
  • Pretreatment by presieving and ultrafiltration
  • Two-pass reverse osmosis system with hybrid  and split design
  • Energy recovery using isobaric cameras
  • Remineralization by lime and CO2 saturators
  • Chlorine and fluorine dosing
     

Project awards and recognition

This project was selected by KPMG consultant and auditor from the 100 most innovative infrastructure projects globally in its Infrastructure 100 report: World Markets Report 2014. It has received other awards such as Desalination Plant of the Year at the Global Water Awards 2012, the Western Australia Engineering Awards (overall winner, infrastructure & building winner, management of engineering winner), The Commercial Architecture Award from the Institute of Architects Western Australia and was considered the project of the Year by the Australian Institute of Project Management.

305,344

Flow rate (m3/d)

25 years

Contract period

38%

Sacyr's participation

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