Pond Covers Articles

  • How Low-Temperature Evaporation Treats FGD Wastewater

    Veolia Water Technologies’ low-temperature CoLD crystallizer technology can help coal power plants clean and recover water for reuse from the wastewater produced in wet scrubber systems. The innovative solution provides effective wastewater treatment at lower ...


    By Veolia Water Technologies

  • Energy savings & fast pay-back for Industrial / Municipal Wastewater Lagoon System USWWOR-LOC757.001 (ID150) - Case Study

    Topics: Wastewater, complete mix, partial mix, sludge reduction, energy savings Overview: The City wastewater treatment plant (WWTP) consists of two lagoons. The primary lagoon is a complete mix pond covering 2.8 acres with a 12 ft operating depth and a total volume of 6.9 MG. The secondary lagoon is a partial mix pond with three cells covering 35.2 acres with a total ...


    By Medora Corporation

  • Improved BOD / CBOD / TSS Reduction & Energy Savings - USCAWW-LOC242.001 (ID157) - Case Study

    Topics: facultative, odor control, sludge, energy savings, sludge reduction, MLS/TSS Overview: This is a municipal wastewater treatment facility (WWTF) that serves the city. The wastewater system consists of 7 facultative ponds with initial biochemical oxygen demand (BOD) of about 550 mg/L and a continuous discharge rate of 2.8 MGD. Pond 1 is 85 acres in surface area ...


    By Medora Corporation

  • Model 6V – Less maintenance than belt skimmers - Case study

    Problem: A fabricated steel manufacturer was using belt skimmers at the discharge mouth of two retention ponds of waste oil and water. Debris such as sticks and rubbish also ended up in the outdoor ponds and would get caught in a screen covering the intake of the belt skimmer. If workers didn’t clean the screen daily, a dam of debris would form and prevent oil from entering the belt ...


    By Oil Skimmers, Inc.

  • Ineffective Chemical Treatments Replaced With SonicSolutions - Case Study

    Problem: Even with chemical treatments, algae was a problem before installing SonicSolutions Algae Control. The irrigation pond at Key West Golf Club was constantly covered even though they had a company treat the ponds monthly. The superintendent would also treat the ponds the weeks the company wasn’t ...

  • Arctic Lake Ice Systems Science (ALISS) - Seasonal Arctic Lake Freeze/Thaw Monitoring on Northern Alaska’s Coastal Plain - Case Study

    Alaska’s North Slope is often associated with cold weather, permafrost and oil production, however it is a diverse and beautiful landscape stemming northwards from the Brooks Range that supports an immense range of wildlife with its plethora of freshwater lakes. Researchers from the University of Alaska, Fairbanks and the USGS, are looking at how regional changes in climate are influencing ...


    By BeadedStream LLC

  • City / Paper WWTP / Tissue Manufacturer - Case study

    Topics: Wastewater, complete mix, partial mix, sludge reduction, energy savings Overview: The City wastewater treatment plant (WWTP) consists of two lagoons. The primary lagoon is a complete mix pond covering 2.8 acres with a 12 ft operating depth and a total volume of 6.9 MG. The secondary lagoon is a partial mix pond with three cells covering 35.2 acres with a total ...


    By Medora Corporation

  • The quick and easy solution for pond leaks

    Are you tired of trying to fix that pond leak. Tried product after products For over 30 years ponds and fountains have been coated with epdm liners and have been seen as the only solution for pond repair. Many people are not aware that there is a liquid version of epdm rubber that has been specially formulated for fish friendly ponds. This one coat application has been the solution for thousands ...


    By Pondpro2000

  • Make pond repair a snap with PondPro

    Pond repair can be labor intensive, costly and frustrating. If you've ever experienced that sinking feeling when you realize that the water level in your pond is steadily decreasing, you know what a hassle repairing leaks can be. For most pond owners, it brings up visions of buying a liner and hoping it will fit and will provide the coverage you need and perhaps repeating the process more than ...


    By Pondpro2000

  • Make pond repair a snap with PondPro

    Pond repair can be labor intensive, costly and frustrating. If you've ever experienced that sinking feeling when you realize that the water level in your pond is steadily decreasing, you know what a hassle repairing leaks can be. For most pond owners, it brings up visions of buying a liner and hoping it will fit and will provide the coverage you need and perhaps repeating the process more than ...


    By Pondpro2000

  • Build your pond to last with a liquid liner

    Build a pond without providing proper sealing and you'll probably be watching your money getting washed down the drain. Pond cracks, pond holes and pond leaks can be a persistent and costly problem so heading them off before they start in the construction process is a very good idea. That means paying particular attention to lining your ...


    By Pondpro2000

  • Case study - Wastewater lagoon cover stops odor complaints

    Problem: United Liquid Waste Recycling (ULWR) successfully recycles food and beverage waste into valuable by-products such as fertilizer. Odors from their anaerobic treatment process needed to be stopped to enable ULWR in Watertown Wisconsin to expand. Their two lagoon anaerobic digesters needed an affordable system to control odors. ULWR injects their valuable fertilizer into farm fields twice ...

  • Case study - Floating covers reduce TSS, improve chlorine disinfection

    Problem: Algae and ultraviolet (UV) rays were adversely affecting chlorination in an upstate New York reservoir and Southern Florida WWTF. Algae was shielding embedded bacteria from chlorine, making the bacteriacide ineffective, thus requiring the chlorine dosage to be increased. Algae increased the chlorine demand along with exposure to UV which dissipates un-stabilized chlorine. Both ...

  • Improved BOD / CBOD / TSS Reduction & Energy Savings - Case study

    Topics: facultative, odor control, sludge, energy savings, sludge reduction, MLS/TSS Overview: This is a municipal wastewater treatment facility (WWTF) that serves the city. The wastewater system consists of 7 facultative ponds with initial biochemical oxygen demand (BOD) of about 550 mg/L and a continuous discharge rate of 2.8 MGD. Pond 1 is 85 acres in surface area ...


    By Medora Corporation

  • Tropical stormwater nutrient degradation using nano-TiO2 in photocatalytic reactor detention pond

    The photo-degradation of nutrients in stormwater in photocatalytic reactor wet detention pond using nano titanium dioxide (TiO2) in concrete was investigated in a scale model as a new stormwater treatment method. Degradation of phosphate and nitrate in the presence of nano-TiO2 under natural ultra violet (UV) from tropical sunlight was monitored for 3 weeks compared with normal ponds. ...


    By IWA Publishing

  • Floating wetland islands as a method of nitrogen mass reduction: results of a 1 year test

    Floating wetland islands (FWIs) were tested in Pasco County, Florida, as a method of reducing total nitrogen (TN) in reclaimed water during reservoir storage. The Pasco County Master Reuse System (PCMRS) is a regional reclaimed-water transmission and distribution system providing wastewater effluent disposal for the county. Total daily mass loading from reclaimed water is limited by nitrogen ...


    By IWA Publishing

  • Algae control in recreational pond - Case Study

    Located in Craigmyle, Torphins (Scotland), the 3845 square meter pond was covered with dark green pond weed.  An e-line system was installed to control the algae. The Challenge: Green Algae Mats Covering the Pond’s Shores Located in Craigmyle, Torphins, Scotland, the 3,845 m2 pond was covered with dark green pond weed. For years, the image of the pond was ...


    By LG Sonic

  • Performance comparison between two equal stabilization ponds operating with and without sludge layer

    Stabilization ponds are a highly appropriate system for treating sewage in small to medium size communities. However, sludge accumulation at the pond bottom occurs with the passage of time, reducing the net pond volume, which, in principle, could affect its performance. The objective of this paper is to compare the behaviour of two equal ponds in parallel treating the same flow of municipal ...


    By IWA Publishing

  • Suburban sprawl doesn’t have to be ecologically devastating

    As development gobbles up open space, conservationists take a fresh look at subdivisions with biodiversity in mind. Fort Collins, Colo., is a growing, vibrant college town with a typical American problem: Beyond its idyllic historic city center, cookie-cutter subdivisions are eating away at farm fields, ranches and forests. According to the ...


    By Ensia

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