electric dredge Articles

  • 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 - 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 - 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

  • 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 ...

  • 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.

  • Case study - mine pond dredging

    Location: Indonesia Year: 2006 Working Context description The mine where Dragflow dredger is working is one of the biggest gold and copper mine in the world located in the province of Papua in Indonesia  near Puncak Jaya, the highest mountain in Papua. The problem The customer was looking for ...


    By Dragflow North America

  • 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 ...

  • 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 ...

  • Hydraulic Dredging: A cost effective solution for most dredging tasks

    The vast majority of dredging jobs require removal of solids to depths of 30 feet or less. Several features enable hydraulic dredges to be the solution of choice for these applications. First, what are hydraulic dredges and how do they compare with alternative mechanical dredge types? Hydraulic dredges create slurries, combinations of solids and water, pump the slurries to the ...


    By SRS Crisafulli, Inc.

  • Case study - mine pond dredging

    Location: Indonesia Year: 2006 Working Context description The mine where Dragflow dredger is working is one of the biggest gold and copper mine in the world located in the province of Papua in Indonesia  near Puncak Jaya, the highest mountain in Papua. The problem The customer was looking for a complete ...


    By Dragflow S.r.l.

  • Need A Dredge For A Small, Difficult Application?

    SRS Crisafulli’s new shallow draft dredge, the Rotomite SD110, enables operators to dredge in small, shallow, confined areas in a minimum of 17 inches of water. This compact, self-propelled, steerable  machine can dredge just about anywhere without the use of cumbersome cabling. The SD110 is made entirely of aluminum, and is equipped with a hydraulic ram that puts a great amount ...


    By SRS Crisafulli, Inc.

  • Lagoon Maintenance Dredging every Decade

    SRS Crisafulli has discovered the Rural Water Association.  This winter, Troy Fercho, Frank Robinson, Tristan Hoff and I attended shows in North Dakota, Montana, Minnesota, and Idaho.   At these Rural Water Association Trade Shows, we promoted SRS Crisafulli's dredge equipment and rental services to assist communities in managing the long term, low cost ...


    By SRS Crisafulli, Inc.

  • Dredging Q+A: Top 8 Questions Answered

    We strive to provide our customers with as much information as they need to make informed decisions about the dredging equipment they choose. So we compiled some of the questions (and answers!) asked most frequently for your quick review. Q: What kinds of dredges does SRS Crisafulli make? A: SRS Crisafulli produces hydraulic ...


    By SRS Crisafulli, Inc.

  • Proactive Dredging: A Little Now or a Lot Later

    By Isaiah Helm, Applications Engineer, SRS Crisafulli If public works departments had a list of fun things to do, dredging sediment out of holding ponds would not be on it.  It’s like cleaning the shower in your bathroom.  Whether you make ...


    By SRS Crisafulli, Inc.

  • Dredging contaminated sediments at an active impact range: an ordnance avoidance success

    At Eagle River Flats, the challenge was to remediate the white phosphorous but leave the UXO (unexploded ordnance) behind. The solution was a dredge system that can withstand a big bang. Eagle River Flats, an estuarine salt marsh located at Fort Richardson in Alaska, has been used by the armed forces for over 50 years as an artillery impact area. During the 1980's, thousands of dead and dying ...

  • ENEL launches a new LWT automated PLC controlled dredge in Guatemala

    Enel Latin America asked Liquid Waste Technology, LLC to design a LWT Pit Hog dredge equipped to excavate the main pond’s sediment from the Santa Maria River automatically. Enel Latin America needed a solution for removal of sediment accumulating in the power generation water supply at its Greenfield El Canada Power Plant in western Guatemala at Zunil. Enel Latin America asked Liquid Waste ...

  • Dredging at weldon spring super fund project Morrison Knudsen - St. Charles, Missouri, USA

    Remote controlled Dredging proved to be the best method of removing radioactive sludge from settling ponds of a former uranium processing plant near St. Charles, Missouri. Dredging keeps the material wet and out of contact with the atmosphere throughout the removal and treatment process, eliminating the danger of contaminates becoming airborne. The Weldon Spring Site Remedial Action Project ...

  • Remote controlled `Pit Hog™` dredge removing sludge from aeration lagoons at Los Alisos, California, Waste Water Treatment Plant

    The Los Alisos Water District Water Reclamation Plant is removing raw sewage solids, decayed algae and microorganisms, and algae-laden sludge from its aeration lagoons using a Liquid Waste Technology (LWT) remote controlled lagoon dredging system. The tertiary wastewater treatment plant treats four million gallons per day. Officials of the Lake Forest, California facility initiated the buildup ...

  • Societe des Mines de Syama - Mali, West Africa-case study

    SRS Crisafulli manufactured a stainless steel 4" Severe Duty FLUMP dredge system for Societe des Mines de Syama's gold mine in Mali, West Africa. The FLUMP dredges and pumps solids from a tailings pit back into the leaching process to reclaim gold, which otherwise would be lost. SRS Crisafulli designed a stainless steel FLUMP dredge to combat the corrosive environment. There have been enormous ...


    By SRS Crisafulli, Inc.

  • Case study - sand and gravel extraction

    Location: Latvia Year: 2012 Context Sand and Gravel application in Northen Europe. The customer was looking for a solution to equip his pontoon with a dredging solution able to produce an average of 300 ton/h of material. Our solution Dragflow pump EL150B with electric motor. 150 HP and solid ...


    By Dragflow North America

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