Wastewater Treatment

2H Water Technologies is the UK’s leading supplier of plastic media for wastewater treatment.


Whether it’s a new build, a refurbishment or a replacement sewerage plant project, low energy consumption and cost effectiveness are key when selecting biological wastewater treatment equipment.


2H Water Technologies offer a quality range of wastewater treatment equipment, such as BIOdek Plastic Structured Cross Flow Media Filters, which are a more efficient processing medium than traditional methods such as filters with mineral media (rock/stone beds) or plant requiring expensive random media. This is because the overall available surface area can be larger and is designed specifically to maximize processing efficiency.


The structured cross flow and vertical flow plastic media design of the BIOdek range means biological wastewater treatment is simple to operate and requires low levels of energy, supervision and capital expense.


The 2H BIOdek Plastic Media offers efficient and effective biological treatment of effluent in municipal and industrial wastewater applications.


For Trickling Filter or Submerged Aerated Filter installations BIOdek’s open, uniform structure and high effective surface area supports greater organic and hydraulic loading rates than random media.


This makes BIOdek ideal as a solution for:

  • New Builds – filter footprint kept to a minimum
  • Upgrades – replace mineral or random media to improve efficiency in existing installations
  • Industrial Applications – meet tighter discharge consents or treat higher effluent flows and loads

BIOdek media can be supplied for carbonaceous treatment to reduce BOD, nitrification to very low ammonia concentrations and for denitrification. For particularly high loads where heavy biomass growth is expected, BIOdek is available as a vertical flow rather than cross flow media to expel the excess sludge.


BIOdek is manufactured from sheets that can be varied in thickness and this gives the self supporting media high bearing capacities. BIOdek can be packed from depths of 1.8m up to 7.2m depending on the application.


Whilst supplied in a range of standard block sizes, the media can be cut, offering flexibility in the filter shape and dimensions for bespoke solutions. BIOdek is available in both Polypropylene (PP) and PolyVinylChloride (PVC) materials.


The unique welding technology developed for the assembly of BIOdek, particularly for the PP product, allows on site assembly for large projects and can provide significant health and safety benefits.


2H’s in-house Research and Development facility allows continuous monitoring of the BIOdek media to develop improvements and ensure BIOdek is the most efficient plastic structured media available.


With 25 years filter design and operational experience, 2H can offer process design support to ensure compliance with effluent discharge standards, economic benefit and operational reliability.


Our Customer List includes all the major utility companies and large civil engineering contractors such as Black & Veatch, Lima, Costain, Galliford Try, KMI, Stantec and Volker Stevin.


2H’s wastewater treatment equipment, together with accurate wetting rate and high distribution rates enables the treatment of water in a controlled manner. This means efficient biomass utilisation and quality effluent.

Product Range

Cross-Fluted Fill (BIOdek)

Tube Settlers (TUBEdek)

Vertical Flow Fill (BIOdek)

Trickling Filter Technology

Product Specification

Suitable for:


  • Biological treatment of effluent
  • Municipal and industrial wastewater applications
  • Especially efficient with Tricking Filter and Submerged Aerated installations

Available in either:


  • Polypropylene (PP)
  • PolyVinylChloride (PVC)

Features and Benefits:


  • High bearing capacity
  • Range of specific surface areas
  • Assembled in sheets of varied thickness
  • Reinforced or double folded edges
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