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Pouembout (New Calédonia)

Pouembout : a 250 p.e. reed bed filter was created to replace a deficient waste stabilization pond.

Additional Info

In operation since: 2008

Type of wastewater treated : Domestic

Hydraulic load: 70 m3/d

Organic load (PE): 250 PE

Organic design load (kg BOD/day): 14

Location : New Caledonia

Client : Town of Pouembout

Stage 1 type : Vertical flow reed bed system (French system)

Stage 1 surface area (m²): 190

Stage 2 type: Horizontal flow, saturated

Stage 2 surface area (m²): 375

Stage 3 type: infiltration basin

Cost: 129,000.00 €

Designed by SINBIO

 

Needs

It was needed to create a new treatment plan with a high pathogen elimination (bathing downstream in the river) in order to replace two deficient waste stabilization ponds.

 

Solution

Two stage reed bed filters (vertical and horizontal), fed by pumping and gravity, plus an infiltration basin.  There is no primary treatment; the raw, only coarse screened sewage is fed directly on the first stage beds with storage with storage of filtered dried and mineralized solids on the surface of the beds for at least 10 years.

 

Benefits

The plant allows for a high level of treatment and protects bathing in the river from contamination.

Additional Info

  • Hydraulic load: m³/day
  • Organic load (PE): PE
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GWT events @ ICWS2022

 


 ORAL PRESENTATIONS

 

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

 


POSTERS

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