lagoon maintenance 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.

  • Dramatic results in Panama’s Dairy Lagoons

    Nevada Dairy Processor’s wastewater lagoon system had totally failed. Treatment with AquaClean restored the natural condition of the lagoon, with the return of aquatic life and the elimination of odor. AquaClean was able to degrade the heavy loads of fats, oils and grease with on- going ...


    By BluePlanet Labs

  • Wastewater lagoons – a new aeration concept

    The use of wastewater treatment lagoons, or stabilization ponds, is a common practice for rural municipalities and industrial facilities. Through the years there have been numerous designs for these ‘sludge settling basins,’ ranging from facultative, partial aerated, and fully aerated systems. But the primary reason for these systems is to utilize relatively shallow earthen ponds, or ...


    By Reliant Water Technologies

  • Lagoon Aeration - Sleep Eye, MN

    Mazzei Aeration System Solves Lagoon Odors and High Maintenance Problems Sleepy Eye, MN The Problem: A large vegetable processing facility in central Minnesota was experiencing problems with its lagoon surface aerators. The company’s treatment process includes a collection and screening assembly, two anaerobic stabilization ponds and a 40 million gallon aerated lagoon. The aeration lagoon ...


    By Mazzei Injector Company, LLC

  • Capturing biogas energy to increase your business profits while safeguarding the environment

    Methane is a biogas produced from swine or cow manure, as well as food processing and meat packing waste. Methane is a natural gas, that when left uncollected, contributes to the harmful greenhouse gases in the earth’s atmosphere. When biogas is captured under a cover and becomes concentrated, it creates a corrosive and toxic byproduct called hydrogen sulfide. The gas generates a rotten egg ...

  • Case study - Mazzei aeration system solves lagoon odors and high maintenance problems

    The Problem: A large vegetable processing facility was experiencing problems with its lagoon surface aerators. The company’s treatment process includes a collection and screening assembly, two anaerobic stabilization ponds and a 40 million gallon aerated lagoon. The aeration lagoon is used for BOD reduction and polishing before the water is discharged to a near-by creek. Several surface ...

  • Floating baffle system improves lagoon efficiency by 90%

    Industries and municipalities that deal with wastewater treatment are concerned with improving the efficiency of their wastewater treatment facilities. Lagoon efficiency, cost effective treatment, and low maintenance are important factors when purchasing treatment upgrades. Environetics, Inc. took these factors inlo consideration when they designed the Director floating baffle System. ...


    By Environetics, Inc.

  • Aeration boosts USA’s largest lagoon system

    The city reports, 'The entire aeration system has surpassed all our expectations.' Problem In 1989, a growing population prompted this northwestern USA community to expand the efficiency and capacity of its wastewater treatment facility. The original unaerated lagoon system had been built in 1967 and had worked adequately for many years. But, the system needed additional treatment ...

  • Solutions to expand treatment and disposal capacity of a lagoon facility in environmentally sensitive area

    The Callville Bay lagoon treatment and disposal facility, located in Lake Mead National Recreation Area, is currently operating at more than 85 percent of its capacity and has no capacity for future development demand. There is no volume redundancy for hydraulic dampening or for adequate maintenance. The infiltration pond is currently not functioning. A design analysis was conducted by HDR to ...

  • 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.

  • European processor eliminates maintenance headaches

    Problem Wastewater treatment became a huge headache for this large, European sugar processing company. The plant had installed many different types of aeration equipment in its activated sludge, aerated lagoon system. The company was dedicated to meeting all the environmental standards for its country. In their quest to find the best equipment, they had tried ...

  • Largest lagoon in North America relies on AIRE-O2® TRITON process aerator/mixer

    'The Triton and AIRE-O2® aeration equipment have surpassed all our expectation.' Problem This western USA municipality has a 494 acre (200 ha) lagoon system. They installed 68 AIRE-O2® aspirator aerators in 1989 into its 7 lagoons. Officials were very pleased with the performance efficiency of the system, especially with the challenge of their huge lagoons and severe winters. With a ...

  • WEFTEC’ 2013 Lagoon wastewater treatment using Innovative bioaugmentation technology case study

    Introduction and Problem Statement Lagoon wastewater treatment systems employ a combination of physical, chemical, and biological processes to treat wastewater. Lagoon wastewater treatment systems are simple, natural, energy efficient, and one of the most cost effective treatment options, especially for small and rural communities. Lagoon systems are easy to operate, require lower ...

  • Pulp & Paper Mill’s #1 ASB Lagoon cleanout goes directly into Geotube containers - Case Study

    Abstract: Integrated pulp & paper mill with an aerated stabilization basin built in 1969 was so full of solids that the mill was having several problems: degradation of treatment performance, inability to access aerators for maintenance, safety concerns, high energy usage, severe short circuiting. The decision was made that #1 Lagoon must be cleaned out. Evaluation of all types of ...

  • San Alfonso del Mar, Chili case study

    Crystal Lagoons Corp. and Technology San Alfonso del Mar seawater swimming pool is the largest swimming pool of the world made by Crystal Lagoons Corp. (www.crystal-lagoons.com). It is 1.013 metres (3.324 ft) long, contains 250 million litres of water and has a surface area of 8 hectares (19,77 acre), it was completed in December 2006. This ...


    By LG Sonic

  • Amnite k100/k150 case study

    This trial was carried out in the waste water treatment plant of a paper mill with severe bulking problems. Large amounts of suspended solids regularly overflowed from the secondary clarifier and the aerated lagoon had a scum layer of about 20cm on top. This scum layer contained a lot of filamentous bacteria. The effluent from the clarifier flowed into a river resulting in visual floating clumps ...


    By Cleveland Biotech Ltd.

  • Amnite k100 & k150 case study

    This trial was carried out in the waste water treatment plant of a paper mill with severe bulking problems. Large amounts of suspended solids regularly overflowed from the secondary clarifier and the aerated lagoon had a scum layer of about 20cm on top. This scum layer contained a lot of filamentous bacteria. The effluent from the clarifier flowed into a river resulting in visual floating clumps ...


    By Cleveland Biotech Ltd.

  • Case Study: Barboursville, the “Best Little Village in the state,” just got better

    Barboursville, which bills itself as the “Best Little Village in the State of West Virginia,” has just completed an impressive upgrade to its wastewater treatment lagoon.  What makes the upgrade impressive?  Try this: Increased capacity of the existing lagoon from 600,000 gpd to 1,500,000 gpd. Had no disruption of treatment during construction. Total project costs of less than ...


    By Environetics, Inc.

  • Pumping wells & sewage lines case study

    Dorset Council - Bioremediation of Sewerage System The Dorset Municipality situated in the North East of Tasmania covers an area of 3196 km2. It comprises 14 townships, 10 water schemes and reticulated sewerage schemes for its two largest townships, Scottsdale and Bridport. Their populations are 1922 and 1234 respectively. Bridport’s population increases to approximately 6000 over ...


    By Cleveland Biotech Ltd.

  • Pearl river valley water supply district case study

    Performance History and Discussion In-Pipe Technology implemented the first phase of a collection system Professional Services Program in 2001. Beginning in 2002, additional collection system basins were added to the services program. Currently, the treated areas include the North and South shore of the Pelahatchie Bay, the Main Harbor, and two Lagoon Waste Water Treatment Plant (WWTP) ...

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