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Dredging Systems Applications

  • Automated solutions for the marina dredge and canal dredging

    The 8” Swinging Ladder Dredge is ideal for channels, rivers, marinas, lakes, and canals where maneuverability and wider cuts improve productivity. The 8” Swinging Dragon Dredge uses an 8” x 8” high chrome, hull mounted dredging pump for wear resistant, efficient pumping. The dredge can cut a maximum path of up to 22’ wide allowing the dredge to cut a wider path than most one truck transportable dredges.

    By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

  • Automated solutions for the environmental remediation dredging

    LWT’s dredging systems are used for environmental remediation and cleanup. The automated dredging systems from LWT can handle the toughest contaminated sludge and keep operators safe with radio remote operation. Bio-degradable hydraulic oil used in the dredges eliminates any environmental hazards.

    By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

  • Automated solutions for the power plant inlet water dredging

    Liquid Waste Technology’s dredging systems are used for power plant cooling water dredge applications. LWT’s dredges are designed to remove the sand, silt and sediment that build up in reception ponds and inlet channels to power plants. Each dredging system is custom built for the inlet water application, including the level of automation, removal rate and dredging depth required for each job.

    By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

  • SONARtrac - Dredging - Hopper Vessels

    Soil density, hardness, lithology, and sediment particle size distribution can create slurry of variable makeup and density. At a constant pump speed, the slurry will have a variable flow velocity, which is undesirable and potentially dangerous. If the velocity is too low, there is a risk of sand outs in the pipeline. If the velocity is too high, the pump will wear and be inefficient. Traditional velocity flow meters with wetted parts are prone to wear, causing measurement inaccuracies, and require frequent, costly replacements. In addition, the presence of entrained gases may disturb the readings of traditional flowmeters and cause slurry density measurements to be inaccurate.

    By CiDRA based in Wallingford, CONNECTICUT (USA).

  • Automated solutions for the municipal sludge recycling using dredges

    LWT`s dredging systems can be used for municipal sludge recycling applications. Sludge is mixed with compost and used in nurseries, sod farms, and agricultural applications.

    By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

  • Floating Cover – Industry

    The Hexa-Cover Floating Cover is the optimum solution as a cover for almost any form of surface liquid, i.e.: Chemicals Chemical, Oil Oil, Leachate Leachate, Decoction Decoction, Food and Beverage Food and Beverage, Pulp and paper Pulp and paper, Hexa-Cover(R) Floating Tile Cover Fish farms, Slaughter houses Slaughter houses, Dairies Dairies, Cement plants Cement plants, Mines Mines, Dredging and excavation works Dredging and excavation works, , for controlling odor, heat loss, emission etc.

    By Hexa-Cover A/S based in Thisted, DENMARK.

  • Automated solutions for the environmental cleanup dredging

    Environmental cleanup is an important application for LWT dredges. Mud Cat and Pit Hog dredges are used for chemical and biological cleanup in harbors, rivers and lakes. The patented auger shroud on the Mud Cat dredges minimizes turbidity, and entraps suspended material for suction efficiency. LWT’s automated controls and instrumentation allows the operators to assess real time performance of the dredge technology.

    By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

  • Erosion & sediment control solutions for soil remediation

    REMEDIAL ACTION PRACTICES include the requirements to develop erosion and sedimentation control plans, specifying plan content and soil conservation measures to keep sediment–laden mud from washing into storm sewers and watersheds where debris can clog creek channels and choke off aquatic life. Sediment control BMPs combine structural and non–structural measures used to avoid or minimize pollutants accumulated by environmental hazards across impervious surfaces.

    By Erosion Control Forum based in Bend, OREGON (USA).

  • Automated solutions for the industrial lagoon / pond dredging

    Liquid Waste Technology’s dredging systems are widely used for industrial lagoon dredging applications. Electric driven or diesel engine driven dredges are used for removing mine tailings, dredging chemical processing waste ponds, and slag recovery. Automation can be added to make dredging industrial lagoons more efficient and productive.

    By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

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    Environmental dewatering solutions for environmental dredging

    TenCate Geotube technology helps to dewater and contain contaminated sediments in rivers, bays, harbors, marinas, ports, dock facilities, hydro basins and other waterways.  In many cases, these sediments pose significant environmental hazards, and remediation is a difficult and expensive task.

    By TenCate Geosynthetics Netherlands bv based in AE in Nijverdal, NETHERLANDS.

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    Dredging solutions for mining industries

    By SRS Crisafulli, Inc. based in Glendive, MONTANA (USA).

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    Odor control for refining/petroleum

    You refine the fuel, we’ll remove the odors. Oil refineries and petrochemical plants may generate large volumes of odor from the processing and refining of different fuels. Sulfides, mercaptans, and hydrocarbon compounds are all closely related to the oil industry. The odors generated from these industrial compounds are of a high nuisance value and generally create concern among local air boards and the public. Ecosorb odor removal products may be used in a variety of areas around the refinery including water treatment facilities, sludge ponds, sulfur recovery units, and API separators. To remove odors during tank cleaning and maintenance operations, portable dispersion systems can be used in the immediate work area to control malodors. Ecosorb products can be directly injected into flues and stacks and may be used as a substitute scrubbing solution in some applications.

    By OMI Industries (OMI) based in Long Grove, ILLINOIS (USA).

  • Automated solutions for the hazardous waste pit dredging

    Liquid Waste Technology’s electric and diesel driven dredges can improve safety for workers dredging hazardous materials. Our custom built dredges can be equipped with remote control to allow workers to stand up to 762 meters (2500 feet) away from the toxic area, increasing their safety. Liquid Waste Technology can build dredges with automated controls, that dredge entire ponds using PLC controls. This increases workers safety and productivity in hazardous dredging applications.

    By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

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    Dredging solutions for oil refineries

    By SRS Crisafulli, Inc. based in Glendive, MONTANA (USA).

  • Automated solutions for the aeration lagoon / pond dredging

    LWT`s dredging systems are used for aeration lagoon / pond dredging applications. A dredging system for removal and disposal of raw sewage solids, decayed algae and microorganisms, and algae-laden sludge results in a long term solution for treatment plants. Aeration lagoon / pond dredging increases lagoon storage volume, provides improved detention time, and accommodates increased plant flow.

    By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

  • Automated solutions for the sewer pipeline dredging - sewer dredge

    LWT’s Robotic Crawler Dredge can be used for underwater dredging applications, such as sewer pipeline dredging and tank cleanout. Models are available in electric driven pump and hydraulic driven pump versions, depending on the application.

    By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

  • SONARtrac - Dredging - Cutter Vessels

    Cutting efficiency is greatly affected by variability in soil density, hardness, lithology, and sediment particle size distribution. All of these factors create slurry of variable makeup and density. If the dredge pump works at a constant speed, the slurry will have a variable flow velocity, which is undesirable and potentially dangerous. If the velocity is too low, there is a risk of sandouts in the pipeline. If the velocity is too high, the pump will wear and be inefficient. Traditional velocity flowmeters with wetted parts are prone to wear, causing measurement inaccuracies, and require frequent, costly replacements

    By CiDRA based in Wallingford, CONNECTICUT (USA).

  • Mining

    Dragflow has been manufacturing and designing dredge mining equipments for more than 25 years. Our equipments are used in dredge mining projects all around the world giving Dragflow a wide experience in mining industry. In addition to important innovations in mining pumps, Dragflow is constantly working to improve its complete product range for mining activities.

    By Dragflow S.r.l. based in Villafranca, ITALY.

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