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Aldbrough

Aldbrough: A 210 m2, vertical flow bed, treating 14 m3/d of methanol loaded industrial effluent from a gas storage plant.

Additional Info

  • In operation since: 2006
  • Type of wastewater treated: Industrial: other
  • Type of wastewater (other): Methanol scrubber wash water
  • Hydraulic load: 14 m³/day
  • Organic load (PE): N/A
  • Organic design load (kg BOD/day): 2.8 Kg/d
  • Location: Aldbrough, Yorkshire, UK
  • Client: Scottish and Southern Energy
  • Stage 1 type: Vertical flow, non-saturated
  • Stage 1 surface area (m²): 210
  • Cost: £43,000
  • Needs:

    AMEC were contracted to Scottish and Southern Energy to construct and commission an underground gas storage facility at Aldbrough in the East Riding of Yorkshire. Methanol is used as a part of the process and a Methanol Recovery Unit (MRU) allows it to be recycled. The MRU generates a low volume of effluent which is blended with other treated effluents and discharged from site. The effluent carries a relative low level of Methanol and Benzene which needs to be removed from the effluent stream prior to discharge. A number of options were considered for methanol removal but ultimately a reed bed treatment system was selected as the most suitable for the site, however there was little room available on the site.

    Flow and Loads

    Influent Average

    Influent Peak

    Discharge Consent

    Flow           (m3/d)

    14.4

    19.2

    0.6

    Methanol    (mg/l)

    200

    400

    <60

    Benzene     (mg/l)

    3

    30

    <45

    BOD            (mg/l)

    -

    -

    <1

  • Solution:

    Methanol is commonly used as a source of carbon in biological wastewater treatment systems which have a nutrient limited influent. So the reduction in methanol would not be an issue. Benzene also can be relatively easily degraded in wetland systems. The main challenge with this project was to design and install a system that would fit in the limited area available. A vertical flow system was selected as it required a much smaller footprint to achieve the required treatment compared to a horizontal flow system solution. Required land take was further reduced by the use of pre-cast concrete wall sections. Thus a 210m2 gravel based vertical flow bed was installed planted with Phragmites australis.

  • Benefits:

    The complex nature of the site, with its operational and safety issues meant that the relatively simplicity of the reed bed treatment solution provided a low maintenance/ labour solution with low carbon footprint to mitigate and balance against the mechanical systems required for other site processes. This matched the general philosophy of the plant owner/ operators to use sustainable technologies where possible. The reed bed solution was made viable by the use of the compact vertical flow option.

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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