Mersea Harbour and Tollesbury Wick Climate Change Adaptation Recharge Project
Rainbow discharge of sand and gravel to reinforce natural harbour defences
Beneficial use of sediments: Case studies
Introduction
These case studies were collected by members of the CEDA Working Group on the Beneficial Use of Sediments (WGBU)
Coastal Defence and Habitat Restoration at Horsey Island
Rainbow dredge of sand and gravel to reinforce defences, GB
Reuse of dredged sediment on the Caledonian Canal at Laggan
Recovery of aggregate fractions using suction dredging, with gravity separation lagoons.
Preparation of 13.5 tons of sediment for incorporation into a concrete bicycle path
use of dry mineral processing techniques (crushing and sieving), VALSE project, Tournai - BE
Experimental pilot platform for the treatment of dredged sediments
by mineral processing techniques, Tournai - BE
Land-based confined disposal facility turned into a nesting area
through creation of islets and dikes from disposal facilities, Andalusia - ES
Phytostabilisation: technosol & brownfield biofuel
through Phytoremediation, Stockton-on-Tees - UK
Counter subsidence and creation of natural habitat
through strategic deposition, California - US
Habitat and wetland restoration
through strategic deposition, Brightlingsea - UK
Habitat and wetland restoration
in three locations through strategic deposition, Hampshire - UK
Feeding the natural system
through natural dispersive processes, Waddensea - NL
Creating islands
through natural dispersive processes, Louisiana - US
Beach replenishment and lagoon restoration
through natural dispersive processes, California - US
Wetland enhancement
through natural dispersive processes, Harlingen - NL
Use in dyke construction reinforcement
to enhance flood resilience after dewatering and treatment, Dendermonde - BE
Use in breakwater components
to enhance flood resilience after dewatering and treatment, Dunkirk - FR
Use in dyke construction reinforcement
to enhance flood resilience after natural ripening, Delfzijl – NL
Use in dyke construction reinforcement
to enhance flood resilience after dewatering and treatment, Waasmunster - BE
Coastal defence and habitat restoration
through strategic disposal, Essex - UK
Use for coast defence and nature restoration
through strategic placement and use of natural processes, California - US
Use for coast defence and local economy enhancement
through natural trapping, Demak - ID
Production of raw material
through dewatering fields, Hamburg - DE
Production of raw material
through a dewatering plant, Hamburg - DE
Use as agricultural soil
after dewatering, Ihrhove - DE
Reclamation of clean sand
through a process of sand separation, Rotterdam - NL
Use in road construction
after immobilisation and stabilisation, Dunkirk - FR
Use in civil and environmental applications
after stabilisation via Pneumatic Flow Tube Mixing, New Jersey - US
Use in civil and environmental applications
after multiple phase cleaning and sorting process, Palermo - IT
Use as landfarming
through bioremediation, Oostwaardhoeve - NL
Use as substitute for sand
to backfill former harbour-basins, Hamburg - DE
Raise elevation of near-shore agricultural fields
after natural dewatering, Ohio - US
Raise elevation of low-lying peatlands and production of high value soil
through blending with local organic waste, Krimpenerwaard - NL
Use in expansion of port terminal
after blending with cement, Auckland - NZ
Use in expansion of port terminal
after blending with cement and stabilisation of contaminated sediments, Oslo - NO
Use in civil applications
after testing with various binders, Gothenburg - SE
Making room for rivers
through various beneficial uses, various locations in NL
Production of grade cement
after thermo-chemical high temperature treatment and immobilisation, New Jersey - US
Creation of natural habitat and morphological stabilisation
through strategic deposition, New Jersey - US
Use for coast defence and nature restoration
through strategic placement, Mississippi - US
Use in ceramic industry
through industrial treatment, Hamburg - DE
Raise elevation of low-lying peatlands
after natural dewatering in confined facilities, Jisperveld – NL
Habitat restoration
through creation of islands, Wisconsin - US
Habitat restoration
through creation of islands, Lelystad - NL
Use in dyke construction reinforcement
to enhance flood resilience after industrial dewatering, Hamburg - DE
Use as sealing material
after dewatering, Hamburg - DE