dredge Articles

  • Mechanical Dredging Vs. Biological Dredging

    For many years, mechanical dredging has been the solution for dying ponds, lakes, retention basins, and rivers. Dredging removes sediment, some excess nutrients, pollutants and organic matter. By increasing the depth in this way, weed growth is discouraged, water temperature lowered and oxygen levels may be increased. Although mechanical dredging can help in these ways, it only solves part of the ...

  • Lake dredge

    Final Dredge Effluent Polishing with CESF Treatment using ChitoVan Chitosan Lactate Hosting over 400 different species of plant, bird, fish, reptiles and amphibians, Burnaby Lake is the most ecologically valuable resources in the Vancouver, BC area. Over the course of many years of nearby development the lake had become filled with a substantial amount of sediment. To protect and enhance the ...


    By Dungeness Environmental

  • Overview of dredging concept, including automated dredging, with liquid waste technology dredges

    The RUNT Model RCLPEF, an electrically powered remote controlled dredge, is designed to remove sediments from the bottom of waterways, ponds, and settling lagoons. In situ solids are excavated and transported as a slurry through a piping system to a remote location. Foam filled, steel pontoons provide the necessary flotation to support the machinery and equipment in the waterway. Principal ...

  • Case study - sand dredging

    Location: Poland Year: 2010 Sand dredging - Hydraulic submersible pump HY85 coupled with cutters EXHY20 and handled through the hydraulic circuit of the earth-moving ...


    By Dragflow S.r.l.

  • Case study - channel dredging

    Location: Germany Year: 2010 Working Context description The working site is a channel situated in eastern Germany. Deposits of sand, lime and gravel has considerably lowered the water depth of the channel. The problem Fast dredging was required in order to re-open the channel to navigation. The customer already ...


    By Dragflow S.r.l.

  • Case study - harbor dredging

    Location: Mexico Year: 2011 Working contest Harbor dredging in Mexico The Problem Pumping heavy slurry with high concentration of solid in order to speed up dredging operation. Start to work 3 weeks after first contact with Dragflow. Our solution Dragflow ...


    By Dragflow North America

  • Case study - channel dredging

    Location: Germany Year: 2010 Working Context description The working site is a channel situated in eastern Germany. Deposits of sand, lime and gravel has considerably lowered the water depth of the channel. The problem Fast dredging was required in order to re-open the channel to navigation. The ...


    By Dragflow North America

  • Case study - dredging in harbor

    Location: Nigeria Year: 2008 Full optional Dredge Application: Port dredging Dredging Unit: Dragflow Pump HY300B with 2 excavators Capacity: 900/1200 ...


    By Dragflow North America

  • Dredging the Hudson River

    Dredging the Hudson River SRS Crisafulli follows the activities of our larger corporate cousins tackling tough environmental remediation dredging projects.  One of the toughest is the Hudson River EPA PCB GE cleanup. Watch ...


    By SRS Crisafulli, Inc.

  • Case study - sand dredging

    Location: Poland Year: 2010 Sand dredging - Hydraulic submersible pump HY85 coupled with cutters EXHY20 and handled through the hydraulic circuit of the earth-moving ...


    By Dragflow North America

  • Case study - dam dredging

    Location: Italia - Sicilia Year: 2008 Dam cleaning Dragflow HY85 with cutters driven by an hydraulic ...


    By Dragflow North America

  • High depth dredging

    In the dredging market, there is a new emerging trend: deep sea and high depth dredging and exploration. Deep sea exploration represents both a development possibility, and a huge technical challenge, where critical hyperbaric conditions, remote control and maintenance amends play an important role. ...


    By Dragflow S.r.l.

  • Case study - dredge with ladder

    Location: Ukraina Year: 2010 Dredge with ladder DRS085/160E22EF Dragflow pump HY85/160B with cutters EXHY20 and High Pressure Water Jet-Ring Hydraulic power pack electric driven with complete control board in the operator cabin Dredging depth about 10m Discharge distance up to 700m ...


    By Dragflow S.r.l.

  • Case Study - Harbors Dredging

    Location : Jordan and Italy Year : 2009 Full Optional Dredgers with HY85/160 Jordan: Dredge with steel cable full optional with hydraulic pump HY85/160 and excavators EXHY20 Italy: Dredge with telescopic boom full optiona with hydraulic pump HY85/160, high pressure water Jet Ring and Anti-Turbidity bell. Dredge is also ...


    By Dragflow S.r.l.

  • Dredging for Gold in Remote Places

    By Dave Stoltenberg, Dredge Rental Specialist with SRS Crisafulli From Alaska to West Africa, SRS Crisafulli dredging experts are busy installing dredges and training operations personnel at producing gold mines.  Nearly all operating mines have overflow lagoons and impoundments for the collection of particulates, overflow mud, and tailings.  Typically ...


    By SRS Crisafulli, Inc.

  • Case study - harbour dredging

    Location: Italia - Termoli Year: 2008 Full optional Dredge Application: Port dredging Dredging Unit: Dragflow Pump HY85B with 2 excavators Capacity: 300/400 ...


    By Dragflow North America

  • Case study - dredging with geotextiles

    Location: Poland Year: 2012 Context: Martime works - Filling up geotextiles / geotubes Our Solution: Dragflow pump connected to an hydraulic excavator. High efficiency and solid concentration. The best choice to fill-up ...


    By Dragflow North America

  • Case study - harbor dredging

    Location: Mexico Year: 2011 Working contest Harbor dredging in Mexico The Problem Pumping heavy slurry with high concentration of solid in order to speed up dredging operation. Start to work 3 weeks after first contact with Dragflow. Our solution Dragflow HY85/160HC with cutters to ...


    By Dragflow S.r.l.

  • Case study - dam dredging

    Location: Italia - Sicilia Year: 2008 Dam cleaning Dragflow HY85 with cutters driven by an hydraulic ...


    By Dragflow S.r.l.

  • Case study - dredging in harbor

    Location: Nigeria Year: 2008 Full optional Dredge Application: Port dredging Dredging Unit: Dragflow Pump HY300B with 2 excavators Capacity: 900/1200 ...


    By Dragflow S.r.l.

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