Sustainable management of the beneficial use of sediments: a case studies review

CEDA’s Working Group on Beneficial Use aims to inspire sediment stakeholders and practitioners by describing the importance of sediments in the context of sustainable development and sharing a curated selection of case studies.

New article: The Mud Motor

12 September 2019 – The Mud Motor. A beneficial use of dredged sediment to enhance salt marsh development.  An innovative approach to beneficially re-use dredged sediment to enhance salt marsh development was tested by a ‘Mud Motor’. A Mud Motor is a dredged sediment disposal method in which a semi-continuous source of mud in a […]

Dredging and Dredged Material Beneficial Use in Ireland
Dredging and Dredged Material Beneficial Use in Ireland

A review of current beneficial uses in Ireland demonstrates that it is possible to do two things at once with dredged material: Realize economic benefits and protect the environment.

Environmental Impacts of Dredging in the Niger Delta
Environmental Impacts of Dredging in the Niger Delta

The Niger Delta is located in the southern part of Nigeria bordering the Atlantic Ocean. It is a floodplain of over 70,000 sq km. The delta is poorly serviced by roads and is made up of meandering creeks that are highly silted up.

Dredged Material Management in Hamburg
Dredged Material Management in Hamburg

Hamburg’s aims are to both clean the River Elbe and treat the dredged material so that it can be put to beneficial use.

Beneficial Uses of Dredged Material: Yesterday, Today and Tomorrow
Beneficial Uses of Dredged Material: Yesterday, Today and Tomorrow

Contrary to conventional wisdom, most dredged material should be regarded as a resource, not a waste, and finding new uses for clean dredged material should be a priority.

The Need for Harmonisation in European Practices on the Disposal and Reuse of Dredged Material
The Need for Harmonisation in European Practices on the Disposal and Reuse of Dredged Material

To encourage the beneficial use of dredged material, a harmonised approach – especially for land disposal – is urgently needed.

Sydney Airport's Parallel Runway: The Beneficial Use of Sand Dredged in Botany Bay
Sydney Airport’s Parallel Runway: The Beneficial Use of Sand Dredged in Botany Bay

Alternative sources of bulk filling for the runway were considered, but dredging sand in Botany Bay was the most cost-efficient and environmentally sound.