Patent ID: 6637135
Filing Date: 2003-10-28
Classification: B01D,B09C,B63B,C02F,E02F

Abstract:
A self-contained mobile marine system for extraction of contaminated sediments and dredge materials from the bottom of a water body comprising:at least one floating marine vessel, said at least one floating marine vessel having suspendable therefrom at least one continuous mobile/submersible vertical barrier wall defining at least one predetermined confined dredge control zone, said vertical barrier wall comprised of individual movable sheets capable of contouring to the bottom of the surface of the waterway; said control zone continuously containing water of the water body on respective outer and inner sides of said vertical barrier wall, said confined dredge control zone containing liquid and suspended particles dispersed in a sediment excavation process from a predetermined bottom sediment surface area below said at least one floating marine vessel, said at least one floating marine vessel continuously floating during said sediment excavation process.