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Departement Mobiliteit en Openbare WerkenMaritieme Toegang
AMORASAMORAS
Antwerp Mechanical Dewatering,
Recycling and Application of Sediment
Ir Joris DockxCEDA dredging days2 October 2008
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
Overview presentation AMORASOverview presentation AMORAS
1. History2. Process 3. Naming 4. Partners
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
Dredging needsDredging needs
- Yearly sedimentation– Major lock complexes 80%;– Sewagesystem;– spill during loading and discharge
activities.- Sedimentation by shiptraffic
“Best guess” 500.000 TDM/year
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
Terrestrial
Underwatercel
Sediment
Containment site
Aquatic
TodayHistoryHistory
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
Terrestrial
Underwatercel
?
Sediment
Containment site
Aquatic
Future
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
Terrestrial
Underwatercel
Sandseperation and
Mechanical dewatering
Sediment
Containment site
Re-use
Aquatic
Today
Future
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
History prospectionHistory prospection1980
1985
1990
1995
2000
•Lagoonfields Waaslandharbour (1989)
•Mech. dewatering beltfilterpress (1996)
2005
•Underwatercel Delwaidedock (2003)
•Building of AMORAS (2008)2010
•Mech. dewatering chamberfilterpress pilottest (2000)
•Underwatercel Churchilldock (2007)
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
State of affairsState of affairsPast actions:– Prospection of dewatering technologies (1999)– Pilot test mechanical dewatering with chamberfilterpress (2000)– Comparison lagooning versus mechanical dewatering (2001)– Location study (2001) – Strategic Plan Right Bank (2002)– Pre design AMORAS (start of engineering sep. 2003)– Environmental impact study (2005)– Selection of candidates (2006-2007) – Building and environmental licence (2006-2007) – Invitation for tenders (2007)Future actions– Building AMORAS (2009 – 2010)– Exploitation AMORAS (begin 2011 for a period of 15 years)– Re-use filtercakes AMORAS asap.
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
LocationLocation
10 km
AMORAS
Conference
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
Dewatering area Dewatering area 20 ha20 ha
Disposal area 30 ha
Sandseperation areaSandseperation area
Piping 3.6 kmPiping 3.6 km
Underwatercel Underwatercel
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
Sand storage
Cake disposal
Discharge
Thickening
basins
Water treatment
Sand separation Dewatering
Coarse refuse
Se
dim
ents
Underwatercel
Disposal Site
DewateringDredging Discharge Pipes
Sand Seperation
Acceptance Area
Sand storage
Cake disposal
Discharge
Thickening
basins
Water treatment
Sand separation Dewatering
Coarse refuse
Se
dim
ents
Underwatercel
Disposal Site
DewateringDredging Discharge Pipes
Sand Seperation
Acceptance Area
Treatement procesTreatement proces
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
Process related reuseProcess related reuse
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
First adventure of Suske and WiskeFirst adventure of Suske and Wiske
Departement Mobiliteit en Openbare WerkenMaritieme Toegang
PartnersPartners
Building administration: Flemisch Government Administration, Department of Mobility
and Public Works, Maritime Access.
Stake holder: Port of Antwerp
Contractor:
THV Jan De Nul - Dredging International (DEME), Envisan and DEC
Engineeringbureau: TV MWH – Seghers Keppel
Safety coördination: Coor nv
Environmental Consulting: Bova M.C. nv
