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The complete treatment train

Six engineered stages — from headworks screening to reuse-grade polishing and energy recovery — combined into one accountable process train.

Stage 01

Pre-Treatment — Screening

Protect everything downstream. Mechanical screening and headworks engineered to take the abuse so the rest of the plant doesn't.

Range — Screens · Headworks · EQ
Steel bar array at a treatment plant headworks

What we deliver

  • Coarse & fine bar screens, drum & rotary screens
  • Screenings washing, compaction & handling
  • Flow equalisation and lift pumping stations
  • Headworks containment for odour capture
Stage 02

Primary Treatment

Remove what settles and what floats — grit, grease and primary solids taken out early to cut the load on the biology.

Range — Grit & Grease · DAF · Clarifiers
Steel dissolved air flotation (DAF) unit with air saturation vessel and compressor

What we deliver

  • Aerated grit & grease removal chambers
  • Dissolved air flotation (DAF) systems
  • Primary clarifiers & lamella settlers
  • Coagulation–flocculation chemical dosing
Stage 03

Biological Treatment

The heart of the plant — engineered biology matched to your load, footprint and effluent target.

Range — MBR · MBBR · SBR · SAFF · EA
Aerial view of biological treatment basins among trees

What we deliver

  • MBR — membrane bioreactors
  • MBBR — moving bed biofilm reactors
  • SBR, SAFF and extended aeration
  • Biological nutrient removal (N & P)
Stage 04

Tertiary & Polishing

From compliant to reusable — filtration, membranes and disinfection to the exact quality your reuse or discharge demands.

Range — UF · RO · UV · Cl₂ / O₃
Ultrafiltration modules and RO pressure-vessel skids in a membrane hall

What we deliver

  • Ultrafiltration, media & disc filtration
  • RO polishing — BWRO & SWRO trains
  • UV disinfection, chlorination & ozone
  • Remineralisation and final conditioning
Stage 05

Waste Management & Waste to Energy

Close the loop — sludge to resource. Volume down, disposal cost down, energy back into the plant.

Range — Dewatering · AD · Biogas · Drying
Heavy process complex handling residuals streams

What we deliver

  • Sludge thickening & mechanical dewatering
  • Anaerobic digestion & biogas recovery
  • Biogas utilisation — CHP and boiler fuel
  • Thermal drying and volume reduction
Stage 06

Odour Control

Keep operations invisible to the neighbours — captured, treated air at every emission point on the plant.

Range — H2O-OCU-AC · OCU-CS · Biological
Chemical scrubber tower and ducting over biofilter beds at an odour control installation

What we deliver

  • Activated carbon units — H2O-OCU-AC series
  • Chemical scrubbers — H2O-OCU-CS series
  • Biological odour treatment systems
  • Containment and extraction ductwork
Product naming

A model code that tells you what it is

Every packaged unit follows one convention, so a model number reads as a specification:

H2O-[PROCESS]-[SERIES]-[SIZE]

Examples: H2O-OCU-AC-500-LL · H2O-MBBR-DL-500

Illuminated process towers at night

Datasheets on request

Full technical datasheets are available for the RO and odour-control ranges, with further families being documented.

  • H2O-OCU-AC — activated carbon odour control
  • H2O-OCU-CS — chemical scrubber odour control
  • H2O-RO — reverse osmosis range
  • further datasheet families placeholder
Request datasheets

Not sure which process fits?

Send us your influent data and target quality — our process team will size the right train.

Talk to our team