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New technology to filter bacteria at Sunbury plant

28 November 2017

Sunbury’s wastewater will soon be filtered through hundreds of thousands of tiny straw-like membranes with holes ten times smaller than the smallest bacteria.

Sunbury's wastewater will soon be filtered through hundreds of thousands of tiny straw-like membranes with holes ten times smaller than the smallest bacteria.

The membranes have been installed as part of the $53 million upgrade of the Sunbury Recycled Water Plant.

"Thousands of these 2.6mm-wide membranes, which look a bit like the strands of a mop, are packed into modules," Western Water’s Managing Director, Neil Brennan, says.

"This month we had cranes lifting 24 of the modules into place in the new membrane tank at the plant."

 

"The surface area of the membranes combined is 43,200 square metres, which is more than double the size of the MCG."

The membrane tank will filter wastewater through holes that are just 0.00003 of a millimetre wide, removing particles and bacteria to produce exceptionally high quality recycled water.

"This is the first time we have used this innovative technology, which also takes up far less space than traditional filtration technology," Mr Brennan says.

"The space-saving design has meant we can keep the upgraded plant within the same footprint as the original plant. We can also add more modules in future if needed."

The upgrade will increase the Sunbury Recycled Water Plant’s treatment capacity from 6.5 million to 9.2 million litres of sewage per day.

It will enable the plant to keep up with the rapidly growing population of Sunbury and Diggers Rest. Find out more about the project.

 


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