water dredging Articles

  • 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 - 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

  • 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

  • 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 ...

  • Dewatering bin carryover study

    Bottom ash dewatering bins (hydro-bins) at coal fuel utility plants allow ash material to carry over to ash settling ponds, or in the case of closed loop systems, re-circulate suspended ash solids, resulting in the following problems: Frequent and expensive dredging of settling ponds Excessive wear on system components caused by re-circulating suspendedsolids Labor intensive manual ...


    By Entech Design, Inc.

  • Early Transfer and Development of the Mare Island Regional Dredged Material Disposal Facility (RDMDF)

    Project Scope Develop and operate a Regional Dredged Develop and operate a Regional Dredged Material Disposal Facility at Mare Island that: Material Disposal Facility at Mare Island that: - Provides a disposal facility for both clean and Provides a disposal facility for both clean and unsuitable dredged material for open water unsuitable dredged material for open water disposal disposal - ...


    By Weston Solutions, Inc

  • Can’t Afford Pond Dredging? We have solutions.

    Ponds and lakes naturally accumulate sludge and nutrients that lead to eutrophication and eventually pond or lake death. Natural succession is driving all lakes and ponds to become meadows and eventually forest. To slow or reverse this process and maintain a lake or pond beneficial microbes are critical. These beneficial microbes improve water quality by reducing nutrients and sludge through ...


    By Keeton Industries, Inc.

  • Using geotextile tubes for dewatering and beneficial use of high water content solid wastes: design charts and verifications

    The interest to push the beneficial use of high water content solid waste materials to a greater extent has increased tremendously. Using woven geotextile tubes as confinement and dewatering facilities for industrial, municipal sludges, and dredged materials offers various advantages to expand and enhance existing beneficial use strategies. To be successful, proper design of geotextile tubes is ...


    By Inderscience Publishers

  • 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

  • Overview of automated lagoon dredging system: design features and requirements

    Liquid Waste Technology (LWT) has pioneered the development of fully automated dredging systems (and radio remote controlled dredging) for the most efficient and safe cleanup of sludge lagoons. These systems are state-of-the-art, and LWT has many successful installations so that reliable operations are the norm. The objectives for most automated dredging systems include: Less human labor ...

  • Indicators of wetland acidification and their relevance to environmental impact assessment

    Developments in most tropical coastlines are often hampered by acidification, which occurs when sedimentary pyrites are disturbed during construction activities. Acidification causes vegetation die back, fish mortality, heavy metal pollution, corrosion of concrete, steel and other metallic structures. The aim of this study is to develop tools for predicting the likelihood of acidification ...


    By Inderscience Publishers

  • More Rain – How to Take Advantage of This Free Resource With Rainwater Harvesting Tanks

    As the rain continues into February, Farmers throughout the country are being urged to help alleviate flooding through pumping and not exacerbating situations through water channel dredging and similar.  But they are also being urged to start storing and using this excess water through rainwater harvesting, including the implementation of rainwater harvesting tanks. But it’s not only ...


    By ENDURAMAXX Storage Tanks

  • Lake dredge - Case Study

    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 ...

  • Rotomite 6000 dredge system - centennial coal-case study

    Centennial Coal's Mannering Colliery mine averages over 1M tons of coal per year when operating at full capacity. The mine's run-off ponds' sludge issues prompted Centennial to contact Dredging Solutions, SRS Crisafulli's Dealer in Australasia, and an experienced dredging contractor.  Dredging solutions deployed the Crisafulli Rotomite 6000 auger suction dredge system because of the ...


    By SRS Crisafulli, Inc.

  • Gabion Mattress Deployment at Former Manufactured Gas Plant Site

    PROJECT: Island End River Sediment Cap LOCATION: Boston, MA RCM SQUARE FT: 35,000 ORGANOCLAY: 135,000 lbs CONTRACTOR: Sevenson Environmental Services, Inc. DESIGN CONSULTANT: Arcadis PRODUCTS: ORGANOCLAY®, REACTIVE CORE MAT®, TRITON® Marine Mattress ...


    By CETCO

  • Water management in a city of southwest China before the 17th century

    Kunming City is the capital of Yunnan Province, China. From the 12th century, it has developed from a remote rural town to become a large city. Successful water management was one of the key dynamic factors in the city's development. As a result of the location of Kunming City, in its early age it was in a narrow area between the north bank of Dian Chi lake and the mountains, therefore ...


    By IWA Publishing

  • Biocatalysed acidification and metal leaching processes in sediments of polluted urban streams

    Sediments of fluvial streams are a sink for pollutants such as heavy metals and organic recalcitrant compounds. In anoxic conditions, sulphide generation and alkalinisation cause precipitation of heavy metals. The redox potential of the system could change to higher values, mainly owing to oxygen exposition generated by anthropogenic disturbances of the sediment such as dredging operations. ...


    By Inderscience Publishers

  • Is environmental justice all dried up? Drilling for water in the everglades dredges up questions regarding the potential for a just environmental sustainability

    This paper considers the social, environmental, and political implications of plans to employ aquifer storage and recovery (ASR) technology as a major part of the Comprehensive Everglades Restoration Plan (CERP) as exemplary of the predicament inherent to the challenge of achieving the goal of just environmental sustainability. Although ASR promises to be a low cost solution to regional water ...


    By Inderscience Publishers

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