Case Study: Darling Quarter Recycled Water Plant, NSW (245 KL/day)

Background

The Darling Quarter development is a $500 million low rise commercial office and leisure space currently being constructed in Sydney’s Darling Harbour. The project represents a major investment and contribution to the local economy with 7,000 people being employed during the three-year construction phase. It is expected to be completed in mid-2011.

The project was awarded a 6-Star Green Star Office Design rating by the Green Building Council of Australia. The development will deliver significant sustainability initiatives, including potable water reduction of 90% through rainwater harvesting and onsite wastewater recycling. 

Description

The Darling Quarter Recycled Water Plant combines three innovative technologies: Moving Bed Biofilm Reactor MBBRTM, Neosep® Membrane Bioreactor MBR and Multipure Plus Reverse Osmosis to treat 245 kilolitres a day of sewage to produce high quality recycled water for reuse for toilet flushing, irrigation and cooling tower make up water.

The MBBR and Neosep® MBR technologies are ideal for sewage water treatment to withstand variations in the load and can provide high removal of bacteria and suspended solids. Reverse osmosis will remove salts from the feed water. 

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