GWT Gold Sponsor at the ICWS2022


icws22 lyon






ARM Ltd has been trading since 1947 and has specialised in the use of wetland technology since the late 1980s. Today, it is a leading designer and constructor of natural wastewater treatment systems and associated technologies in the UK.

Areas of specific expertise:

  • Domestic and municipal sewage
  • Surface water run-off and combined sewer overflows (CSO)
  • Industrial wastewater
  • Landfill leachates
  • Groundwater remediation
  • Mine water drainage

Patrick 2020

The GWT contact for ARM is Patrick Hawes, Director and Principal Consultant. Patrick completed an MSc in Biotechnology, subsequently working for the Atomic Energy Research Establishment, the Biological Research Department at Canterbury University and Ciba Technology in the UK. He has worked in biotechnological research, microbial desulphurisation of fossil fuels and the commercialisation of polymers for water treatment. He joined ARM in 2004 to provide sales support to UK water companies and Industrial clients and is now Director and Principal consultant, predominately involved in process design, support and consultancy.

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Rydal House

Colton Road


Staffs, WS153HF

United Kingdom

+44 (0)1889 583811






GWT events @ ICWS2022




7/11  9am  Anacleto Rizzo   (Keynote)

Wetland community expertise in the new Nature-Based Solution and Circular Economy vision: links and new research and design trends


7/11  10.40am  Dion van Oirschot

MULTISOURCE: Aerated wetland treating black and grey water for reuse at campsite Belgium


07/11   11:40am  Heike Hoffman

The potential of the French Wetland System for reuse - Results of a long-term project in the Peruvian arid coast area


7/11  4pm Heike Hoffman

Operational experiences with a sludge treatment wetland as part of a municipal WWTP in Brazil


7/11  4.30pm Fabio Masi

Water Projects Europe: NICE / MULTISOURCE


9/11  2pm Steen Nielsen

Treatment of industrial sludge in a pilot Sludge Treatment Wetland planted with Phragmites australis and Schenoplectus californicus


9/11  2pm Riccardo Bresciani

Reed beds for drying sludge from a winery wastewater treatment plant in Spain: the WETWINE project


9/11   4.40pm  Taxiarchis Seintos

Application of a full-scale UASB and two-stage constructed wetland system for water reclamation and nutrient recycling of domestic wastewater in arid areas


9/11  5pm Simos Malamis

Investigation of the use of different filling materials in unsaturated vertical flow constructed wetlands for the treatment of UASB effluent from domestic wastewater

T. Seintos, E. Statiris, F. Masi, C. Noutsopoulos, S. Malamis


9/11 5pm Scott Wallace

Practical aspects in the determination of first-order removal rate coefficients (k) for horizontal flow treatment wetlands


10/11 11.20am Fabio Masi

Electroactive and intensified pilot-scale constructed wetlands for the treatment of high loads of septic tank effluent


10/11 2.20pm Alain Petitjean

Intensified French Treatment Wetlands - Influence of operating parameters on nitrogen removal


10/11 4pm  Andy Freeman

Treatment of de-icer contaminated runoff at a UK airport using intensified Nature Based Solutions - A 10-year operational performance review



P4: Coupling French Reed Bed and Short Rotation Plantation for developing circular economy of wastewater in India: A case of PAVITR prototype / Anacleto Rizzo

P39: Constructed wetlands for the treatment of combined sewer overflow upstream of centralised wastewater treatment plants / Chiara Sarti