With over 1500 Strainpress Sludge Screen installations protecting anaerobic digesters around the world, HUBER have expanded their range to include a unit with double the hydraulic and solids handling capacity.

This larger unit is ideal for 100,000EP+ sewage treatment plants and for Waste to Energy plants. It has a processing capacity of 150m 3 /h of primary sludge and can remove 2t/h of debris. This means larger sewage treatment plants can benefit from screenings removal prior to the anaerobic digesters with less units. Strainpress is an inline screen that is installed upstream of anaerobic digesters to protect the digester from screenings accumulation. It is typically installed between in the sludge pipework from the primary sedimentation tanks to the anaerobic digesters.

It is also used in Waste to Energy plants to protect the main digesters from screenings accumulation and is commonly used to protect advanced digester pre-treatment processes such as thermal
hydrolysis. Strainpress units have been operating in Australian and New Zealand plants for 20 plus years.

Installations have demonstrated increased performance, increased biogas and less maintenance associated with anaerobic digesters.

About Hydroflux

The Hydroflux Group comprises eleven companies based in Australia, New Zealand, Fiji and the UK, providing specialist design and build, equipment, processes and operational services in water and wastewater treatment and sludge treatment and dewatering. For more information, visit: 

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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