A new wastewater technology that can be used to replace primary sedimentation has been developed as part of a major research project into energy efficiency.

The Huber Liquid Drum was developed through a research project into alternative technologies that contribute towards improved energy utilisation.

This new application is part of Hydroflux Huber’s range of drum-screen technology and Councils and water authorities around Australia now have access to it.

John Koumoukelis, a Director of Hydroflux HUBER which is a member of the Hydroflux Group of companies, said, “In some sewage treatment plants there is a step called primary sedimentation, a common process step downstream of the inlet works.

“It removes fine particles and floatables prior to biological treatment by the use of long rectangular tanks – ranging in length from 30m to 100m– to settle and remove solids. The resultant primary sludge is rich in volatiles and when anaerobically digested, results in high levels of bio-gas that can lead to green energy

“The Huber Liquid Drum, an in-channel ultra-fine screen that is used as an alternative to longitudinal and circular primary clarifiers in a sewage treatment plant, requires 80 per cent less space than a traditional clarifier.

“This results in a significant reduction in capital expenditure for water authorities that are considering energy neutrality via anaerobic digestion. Alternatively it can free up existing tanks that can be reconfigured into aeration basins or for wet weather storage,” Mr Koumoukelis said.

Mr Koumoukelis said there are several benefits to using the Huber Liquid Drum, which include:

  • It can equal or better the performance of a primary sedimentation tank with only 20 percent of the footprint
  • It can free up existing land for alternative use due to its its small footprint
  • It will provide major savings on capital expenditure because it significantly reduces construction costs, earthworks and structural works
  • It achieves a rate of suspended solid removal similar to that of a traditional clarifier or sedimentation tank
  • It is a low-energy solution which can deliver energy savings

The liquid technology is an extension of the ROTAMAT Screening Process, which is proven in over 4,000 reference sites.

It is also an extension of Hydroflux Huber’s existing range of fine screens of which they have manufactured more than 12,000.

“Most importantly, this liquid technology will help Hydroflux Huber better meet our goal which is to provide our clients with high-performing, energy-efficient equipment and technology for maximising lifecycle value and reducing their operational costs,” Mr Koumoukelis said.

This partner content is brought to you by Hydroflux.

For more information, visit www.hydroflux.com.au.

Jessica Dickers is an experienced journalist, editor and content creator who is currently the Editor of Utility’s sister publication, Infrastructure. With a strong writing background, Jessica has experience in journalism, editing, print production, content marketing, event program creation, PR and editorial management. Her favourite part of her role as editor is collaborating with the sector to put together the best industry-leading content for the audience.

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