Case
Groundwater management
Industrial water treatment
Urban water management
+3
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Many regional wastewater treatment plants are under pressure to increase capacity while operating within strict space, budget, and environmental constraints.
At the Lower Cleeve Wastewater Treatment Plant in the UK, the existing crossflow filter media was reaching the end of its service life and could no longer meet treatment requirements. At the same time, expanding the facility by building new assets was not a viable option, as it would require additional land use and exceed the available budget.
Instead of constructing a new facility, the project team chose to refurbish the existing filters using BIO-BLOK® fixed film filter media, developed by EXPO-NET.
BIO-BLOK® made it possible to significantly increase treatment capacity within the existing infrastructure. Thanks to its open mesh helical design, BIO-BLOK® provides a much larger active surface area than conventional crossflow media, allowing the same performance to be achieved with approximately three times less filter media volume than originally installed crossflow media.
The BIO-BLOK® units were prefabricated offsite and delivered ready for installation, enabling a fast and efficient, highly cost-effective refurbishment process without the need for specialist lifting equipment.
The refurbishment delivered a highly effective and future-proof solution with clear environmental and operational benefits.
Key results include:
