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  2. Waste stabilization pond - Wikipedia

    en.wikipedia.org/wiki/Waste_stabilization_pond

    In the treatment of sewage, systems composed of anaerobic ponds followed by facultative ponds usually have overall BOD removal efficiencies between 75 and 85%. Higher efficiencies are difficult to achieve because the effluent contains high concentrations of particulate organic matter, in the form of algae, naturally produced during treatment.

  3. Algaecide - Wikipedia

    en.wikipedia.org/wiki/Algaecide

    Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in the United ...

  4. Facultative lagoon - Wikipedia

    en.wikipedia.org/wiki/Facultative_lagoon

    Facultative lagoon (polishing pond) providing tertiary treatment after a constructed wetland in Hamburg-Allermöhe, Germany. Overflow from the facultative lagoon may be routed through one or more polishing ponds supporting lower populations of anaerobic micro-organisms and a higher proportion of aerobic organisms adapted to survival in lower concentrations of organic material.

  5. Birders, environmental groups alarmed by proposed Lake ... - AOL

    www.aol.com/birders-environmental-groups-alarmed...

    A label for the proposed algae treatment says it is toxic to birds, but Lake Mattamuskeet was founded as a refuge for migratory birds. Birders, environmental groups alarmed by proposed Lake ...

  6. Algal nutrient solution - Wikipedia

    en.wikipedia.org/wiki/Algal_nutrient_solution

    He advocated for the integration of algal ponds with wastewater treatment plants as a cost-effective and environmentally friendly method for nutrient removal and biomass production. In the 1950s, Oswald championed the open pond as the most feasible approach to integrate algal cultivation with wastewater treatment.

  7. Aquacultural engineering - Wikipedia

    en.wikipedia.org/wiki/Aquacultural_engineering

    Aquacultural engineering is a multidisciplinary field of engineering and that aims to solve technical problems associated with farming aquatic vertebrates, invertebrates, and algae. [1] Common aquaculture systems requiring optimization and engineering include sea cages, ponds, and recirculating systems. [2]

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