dredging Articles

  • 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

  • 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 ...

  • 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 - 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 - 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 - 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 - 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

  • Dredging Short Courses

    By Eric Lillberg, SRS Crisafulli Senior Applications Engineer When I first started as an applications engineer for SRS Crisafulli, I searched for information on the subject of dredging. I was surprised to find there was very little non-commercial content available. I have since found a pair of short courses, offered annually by Texas ...


    By SRS Crisafulli, Inc.

  • 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.

  • Dredging and Shoreline Remediation

    Many situations can complicate a shoreline’s integrity.  These can range from flooding, hurricanes and man-made disasters and can even include aquatic harvesting and human recreation.  Making efforts to protect a shoreline from these intrusions helps protect economic and recreational interests.  Shoreline remediation is an investment in the overall economic and natural ...


    By SRS Crisafulli, Inc.

  • 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 optional, with hydraulic pump HY85/160, high pressure water Jet Ring and Anti-Turbidity bell to protect the ...


    By Dragflow North America

  • 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 - 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 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 - 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.

  • Case study - dam dredging

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


    By Dragflow North America

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