4th meeting SedNet WG Sediments in Circular Economy: 15-16 April 2020

Due to Covid-19 this meeting was organised online in two sessions:

– 15 April – from 9 to 12 hrs Glasgow time (10 to 13 hrs for most others):
* PFAS and
* mass stabilization
– 16 April – 9 to 12 hrs Glasgow time (10 to 13 for most others):
* upcoming example projects

Summary meeting report
Twenty-one participants representing eleven countries took part in the web sessions to exchange collaborative ideas on Circular Economy (CE) practice and opportunities, and on two focus topics (1) stabilisation and beneficial use and (2) the PFAS problem in sediments).

Two group sessions were led on priority topics identified on WGCE2:

  • Beyond the initial “mass balance” approach to CE, need for defining ‘value’ to the ecological potential of sediment – and Incorporating CO2 and CH4 balance of sediment use in CE balance and funding, benefit or risk?
  • Setting up a synthetic catalogue of beneficial use options.

The outcome of WGCE3 session on “Clear definitions of concepts (beneficial use, valorisation, reuse, sustainability)” was validated.

A first draft of the WG white paper will be initiated with the outcome.

Future meetings are still uncertain with COVID-19 sanitary issues but according to travel possibility,

  • One will include both field visits (pilots, plants and workshops) and focus discussions,
  • The other one can be organised in live or web format, and comprise topic discussions, white paper and policy/RTD support documents elaboration.

Both may comprise project proposals workshops if the EU RTD agenda is favourable.

WGCE5 should be set up in October (7th and 8th) in Glasgow if travel is allowed, including site visits as expected for WGCE4.

WGCE6 will be organised in connexion with the SedNet 2021 conference in Lille. The invited talk by a USEPA Great Lakes National Program Office speaker on sediment remediation with beneficial use experience in the US should be on this opportunity, to ensure maximum audience.


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