GWT Gold Sponsor @ Wetpol2023



Wetpol Sponsors



Don’t miss GWT presentations at this year’s conference:

10th International Symposium

On Wetland Pollutant Dynamics and Control

10 – 14 September 2023 | Bruges, Belgium


Chiara Sarti, Anacleto Rizzo, Riccardo Bresciani, Fabio Masi, Alain Petitjean, Ania Morvannou, Jan Schuetz, Flor Louage, Vaidotas Kisielius and Dr. Jaime Nivala (keynote) will present work which has been authored or co-authored by GWT members.






WSP logo jpeg

Creating global solutions to local problems associated with climate change, urbanisation and water resource management, Orbicon has recently joined forces with WSP, contributing to the diverse offer of this leading multinational engineering group. With over 30 years’ experience in dewatering and mineralisation of sludge in sludge treatment reed beds (STRB), Orbicon acts as consultant, operator and service partner. Extensive experience in operation and maintenance makes Orbicon a natural collaborator for establishing, rebuilding and optimising facilities.

Areas of water treatment expertise:

  • Contaminated sites and groundwater remediation
  • Sludge dewatering and mineralisation

Steen 2020

The GWT contact at Orbicon is Steen Nielsen. Steen has a master’s degree in biology from Copenhagen University where he specialised in microbial ecology and the processes of conversion of organic material and nutrient salts in aerobic and anaerobic zones, especially denitrification. He has worked at Orbicon for more than 30 years, where he specialises in STRB with a focus on design, dimensioning, operation and emptying with respect to climate, type of sludge and quality. He has managed design, operation, emptying and handling for municipalities and utilities on more than 80 major projects in Denmark, Sweden, Norway, England, Ireland, Australia, New Zealand and Poland.

Steen has been a member of the IWA Group: Wetland Systems for Water Pollution Control since 1990. He is recognised internationally and has written and co-written more than 30 articles in international publications, travelling and presenting regularly at international conferences. He has led research projects in collaboration with The Danish Environmental Protection Agency, as well as Danish and international universities. Steen’s research and collaborations have resulted in the development of guidelines for establishment, operation and emptying of STRB.

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Linnés Allé 2

2630 Taastrup


+45 40 21 22 51



The IWA Specialist Group on Wetland Systems for Water Pollution Control is organizing two new online events of YWP career pathways series where established professionals of the field will share their experiences and views on career opportunities in the wetland world.

21st of September at 2:00 pm (CEST), Gabriela Dotro (Senior Researcher at Cranfield University), Link

15th November at 1:30 pm (CET), Scott Wallace (CEO Naturally Wallace - GWT founding member), Link