lagoon design service Articles

  • 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.

  • Remediation of hydrocarbon contaminants from oil lagoons and refinery waste - case study

    In 2007 econ delivered an indirectly heated thermal desorption plant to a client in Kuwait. The plant is de-signed to treat various types of waste with hydrocarbon contaminant content. In particular refinery waste, oil lagoons and down hole drilling waste. The aim is to recover the waste hydrocarbons from the soil/sand and remediate the lagoons of their contaminants.  Due to the natural ...


    By econ industries GmbH

  • Performance of Floating Horizontal Aerators in Aerated Lagoons and Oxidation Ditches

    INTRODUCTION When selecting aeration equipment to use for a specific application, issues to address include reliability, serviceability, capital cost, system appurtenances, and cost of operation and maintenance. Another important consideration is oxygen transfer rate (OTR). Horizontal floating aerators have relatively high transfer rates and have been used successfully in aerated lagoons and ...


    By S & N Airoflo, Inc.

  • WWTP Sludge reduction case study

    Introduction The City of Spring Valley, IL was seeking bioaugmentation to reduce the economic burden of sludge dredging and disposal and to evaluate the possibility of restoring the microbiological activity in the lagoon. The lagoon was flooded several times from the near-by Illinois River, which created different strata of inorganic silt/organic sludge and densely packed sludge at the ...

  • Crisafulli’s rotomite-6000 dredging highly abrasive mill scale

    Customer: The customer purchased its first SRS Crisafulli Rotomite, a Model 180P, Serial #14123 in August 1997, and purchased its second SRS Crisafulli dredge, a Rotomite-6000, in the summer of 2007. Application & reason for dredging: The customer provides slag processing, metal recovery, materials handling, scrap management, surface conditioning (“scarfing”) and a wide ...


    By SRS Crisafulli, Inc.

  • Rotomite dredging iron mill scale-case study

    Crisafulli's Rotomite-6000. Dredging highly abrasive mill scale. Customer: The customer purchased its first SRS Crisafulli Rotomite, a Model 180P, in August 1997, and purchased its second Rotomite, a 6000 model, in the summer of 2007. Application and reason for dredging: The customer provides slag processing, metal recovery, material ...


    By SRS Crisafulli, Inc.

  • 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.

  • One Forcemain – Multiple Sewage Pumping Stations

    The sewage collection system for the community of Port Perry Ontario includes several sewage pumping stations conveying wastewater to the existing aerated sewage lagoons for treatment.  Initially the system originally included two sewage pumping stations pumping from the Community directly to the lagoons; the Water Street Pumping Sewage Station and the Cawker’s Creek Sewage Pumping Station. ...

  • Beaufort-Jasper Water and Sewer Authority solves off-gassing problem with Grundfos smart digital

    The Beaufort – Jasper Water and Sewer Authority (BJWSA), is a nonprofit authority established by the State of South Carolina to provide drinking water and treat wastewater in Beaufort and Jasper counties of South Carolina. Beaufort and Jasper counties are located in the southeastern corner of South Carolina and include the communities of Hilton Head, Beaufort and Bluffton. Currently BJWSA ...


  • Membrane Bioreactors – Enviroquip MBR Systems (Retrofit)

    The Leoni Township’s wastewater treatment plant (WWTP) serves thirteen communities across three counties including the Michigan Speedway complex. A moratorium on growth was put in place until capacity and treatment issues with an aging aerated lagoon system could be addressed. In June of this year, construction of a new membrane bioreactor (MBR) ...

  • 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.

  • Ecoprocess Sequencing Batch Reactor (SBR) - Municipality of L’Orignal, ON, Canada

    Customers: Municipality of L’Orignal, ON, Canada, Ontario Clean Water Agency (OCWA) The Ontario Clean Water Agency (OCWA) is a Crown Agency of the Province of Ontario in the business of providing safe and reliable clean water services. OCWA provides operation, maintenance and management services for over 500 water and wastewater treatment facilities and their associated distribution ...


    By Premier Tech Aqua

  • Ecoprocess Sequencing Batch Reactor (SBR) - Waste Management, QC, Canada

    Customer: Waste Management, QC, Canada Waste Management, Inc. is the leading provider of comprehensive waste and environmental services in North America. The company is strongly committed to a foundation of financial strength, operating excellence and professionalism. Waste Management currently operates ten full-scale waste treatment landfill projects in the U.S. and Canada. ...


    By Premier Tech Aqua

  • Monitoring Tools for Watershed Assessments

     Weston Solutions, Inc. (WESTON®) has designed and implemented a watershed-based monitoring program with the San Diego County Copermittees. The monitoring program includes three elements: Mass Loading Station (MLS) Monitoring, Stream Bioassessment Monitoring, and Ambient Bay and Lagoon Monitoring. The core program includes the collection and analysis of stormwater runoff during three storm ...


    By Weston Solutions, Inc

  • 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 ...

  • Turning waste into power

    Economic, social and environmental factors dictate the necessity to manage waste to a new level. Wastewater plants, landfills, farms and food plants are all the owners of biomass that can be digested to produce biogas and turned into power. Biogas can be burned directly in boilers for heat recovery and used for manufacturing, heating or cooling; this is the simplest method of direct biogas ...


    By Hurll Nu-Way

  • Anaerobic Digest

    Boulder, Colorado: U.S. Distributed Renewables Forecast Published Navigant Research, a market research and consulting firm in Boulder, recently published the “U.S. Distributed Renewables Deployment Forecast, 2016-2025.” The report notes that deployment of distributed renewables, such as wind, solar and anaerobic digestion facilities, in the U.S. has accelerated in the last ...


    By BioCycle Magazine

  • Case study - Mission accomplished: plant and aeration upgrades to meet growth and lower energy use

    In 2003 this Minnesota city began the process of upgrading its lagoon-based wastewater treatment facility (WWTF) into a new mechanical treatment facility. Nine years and two construction phases later, the city now has a fully operational facility and has upgraded its aeration system to lower energy and maintenance costs. Treatment Process The wastewater ...

  • 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 ...

  • Maximum Efficiency for...Saving Water

    In an attempt to protect our ecological surroundings and minimize the negative effects of industrial processes, it is necessary to purify and recover the waters used during washing operations of sand washing, quarrying and recycling operations. The first step is to recover 100% of the waters used and to eliminate the concentration of sludge, thus Baioni's solutions aim at offering a full sludge ...


    By Baioni Crushing Plants Spa

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