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.
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 shallow tidal channel allows natural processes to disperse sediment to nearby mudfl
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.
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.
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.
To encourage the beneficial use of dredged material, a harmonised approach - especially for land disposal - is urgently needed.
Alternative sources of bulk filling for the runway were considered, but dredging sand in Botany Bay was the most cost-efficient and environmentally sound.