As part of the $450 million allocated to upgrade wastewater treatment plants in Sydney’s North-West, Sydney Water has adopted leading edge technology from the Netherlands that will revolutionise the way wastewater is treated in Sydney.

The technology Nereda, unlike conventional processes, is an energy-efficient water treatment process that can effectively extract nutrients and other chemicals from wastewater with a significantly lower carbon footprint.

“It will help transform the way we manage our wastewater infrastructure, making us more sustainable and enabling us to meet the future needs of a growing Sydney,” Head of Delivery Management at Sydney Water, Mark Simister, said

“We’ve trialled the technology by installing and operating a pilot plant at Quakers Hill over the past 12 months. The results were impressive. Not only will this technology reduce Sydney Water’s carbon footprint, but the trial at Quakers Hill has saved us around $14 million in capital costs, which is a saving for all of Sydney Water’s customers” said Mr Simister.

Nereda uses aerobic granular biomass To purify wastewater, which provides savings on energy demand and therefore cost.

Nereda operates a cyclic process which allows the biomass to form granular structures. The developed biomass is denser when compared against conventional technologies, allowing the biomass to settle faster.

Currently there are over 50 wastewater treatment plants operating, or in the process of implementing, the Nerada technology across five continents including Europe, UK, USA and South Africa.

“It’s just one of the ways Sydney Water is using innovative technologies to deliver cost-effective, quality services to our customers”, added Mr Simister.

“This technology will be installed at our water recycling plant at St Marys.”

Lauren ‘LJ’ Butler is the Assistant Editor of Utility magazine and has been part of the team at Monkey Media since 2018.

After completing a Bachelor of Media, Communications and Professional Writing at the University of Wollongong in 2014, and prior to writing about the utility sector, LJ worked as a Journalist and Sub Editor across the horticulture, hardware, power equipment, construction and accommodation industries with publishers such as Glenvale Publications, Multimedia Publishing and Bean Media Group.

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