water 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 customer already ...


    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 ...


    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 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 - 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 - 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

  • 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.

  • 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.

  • Dredging the Back Nine: Stormwater and Water Treatment Ponds

    SRS Crisafulli's FLUMP Dredge was in the news this spring for its role in meeting the opening day schedule at a unique Wyoming golf course. The Casper Star-Tribune ‌reported on the FLUMP's contribution to a remediation effort at the ...


    By SRS Crisafulli, Inc.

  • SRS Crisafulli Explores Dredging and Hydropower

    SRS Crisafulli Explores Dredging and Hydropower Energy production and consumption worldwide is influenced by many factors.  Resource availability, economic activity, population growth and environmental ...


    By SRS Crisafulli, Inc.

  • Nashville airport dredging case study

    Project Sponsor:Metropolitan Nashville Airport Authority Application: Clean and dredge waste water treatment plant for airport runoff (from runway tarmac) Dredge Used: LWT RCLPE Runt Dredge (Remote Control Lagoon Pumper Electric) Project Summary: Automated remote control dredge with rail system to cover the entire pond ...

  • Kerr-McGee dredging case study

    Application:Clean and dredge paint pigment residuals Dredge Used: LWT 7MAU Series Pit Hog™ Dredge Project Summary: Electric manned automated dredge with 3 Krebs cyclones with a capacity of 2,100 gpm, magnetic flow meter to monitor pump performance, slurry density meter to maintain consistent percent solids by varying traverse speed, and ...

  • Dredging Abrasive Materials? Learn about SRS Crisafulli’s New Dredge

    The Rotomite-6000-C, SRS Crisafulli’s newest self-propelled dredge, broadens the Rotomite-6000’s capabilities to include removal of highly abrasive materials. The Rotomite-6000-C also increases the customer’s return on investment (ROI) by cutting sludge ...


    By SRS Crisafulli, Inc.

  • Dredging Technology – Underwater Excavation and Construction

    The presence of water is ussualy considered a nuisance in construction, particularly when excavating removing water is common practice. In some cases however, water can be a very useful tool that may simplify things greatly. With the “flooded excavation principle”, the construction site is flooded after the retaining walls have been installed (e.g. sheet pile). When the ...


    By BBA Pumps

  • Recycling municipal sludge with portable dredges

    Policing the pit. With today's emphasis on resource recovery, even burdensome and seemingly worthless materials are becoming increasingly valuable. Take municipal sludge, for example. For sewage treatment facilities wrestling with the problem of sludge disposal, Liquid Waste Technology may have the answer. The New Richmond, Wisconsin, USA company manufactures dredges and lagoon pumping equipment ...

  • Dredged sludge filtration - case study

    YEAR: 2009 COUNTRY: BELGIUM N° and MACHINERY MODEL EMPLOYED: 12  GHT 2000.P19 MEM Diemme® Filtration In Antwerp Harbour, lots of sediment accumulates, equal to 600,000 tons of dry material, which caused a gradual decrease in depth with the consequent reduction in navigability. Since a few years ago, the ...

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