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Biofiltration for Dredging plume mitigation

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Biofiltration for Dredging plume mitigation

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Samenvatting

Dredging can have an enormous environmental impact, and therefore involves meticulous studies in order to meet the conditions for its specific design. For the purpose of this project, the focus is on the generation of suspended sediment and turbidity, by decreasing silt concentration in the water column through mussels. Testing the capacity of the shellfish to the filter water includes silt, in order to increase transparency (visibility) and decrease turbidity.
The main point of this research is to see to what extend we can use a bio-filter system for this problem, and its affectivity when used as a solution.
The Blue Mussels (Mytilus edulis) are tested for their tolerance of silt concentration through different parameters such as turbidity, particle size and filters. The product used for the design of the sediment plume is kaolin and the test concentration ranged between 200-600mg. According to Clearance Rate (determination of the pumping capacity) the mussel can filtrate in any concentration, but with higher concentration the amount decreases. Experiments on the blue mussels prove that further research can produce a solution for the problem of sediment plume.

Toon meer
OrganisatieHZ University of Applied Sciences
OpleidingWatermanagement/ Aquatische Ecotechnologie
InstituutDelta Academy
PartnersImares
Gepubliceerd in
Datum2015-04-24
TypeBachelorscriptie
TaalEngels

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