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bottom aeration Applications

  • Air control for wastewater treatment aeration

    Aeration Process Introduction: Waste Water Treatment removes impurities and contaminants from a com¬munity`s sewage utilizing a number of different processes and a variety of equipment. One of the processes is the use of surface aerated basins that use aerobic micro-organisms to remove 80 to 90% of organic matter in waste water. Oxygen concentration in the water basins is a critical factor to promote the optimum micro-organism growth rate needed to treat the water in the shortest amount of time. As a result, large compressors are used to force air through hundreds of air diffusion filters at the bottom of the aeration basins, providing a constant 24/7 supply of oxygen to the micro-organisms in the water.

    By Kurz Instruments, Inc. based in Monterey, CALIFORNIA (USA).

  • Aeration of Fish basins

    Salmonoids are especially demanding about water quality and high oxygen content. The oxygen concentration should be kept at least 5 mg/l throughout the year. This ensures good condition of fish and facilitates quick maturity without disturbances.

    Sufficient oxygen content near the basin bottom (2 mg/l) prevents leaching of nutrients and in particular phosphor into the water. Dissolved nutrients have a detrimental impact on water quality and – at worst  – can cause growth of cyanobacterium. Furthermore, nutrients can transfer from fish basins to cause loading on other waterways. The Waterix AIRIT® product family has aerators to match different fish hatchery basin sizes. Waterix can help you to choose the right device – just contact us! The operating efficiency of Waterix AIRIT® aerator is very high – energy consumption remains low.

    By W-Rix Ltd based in Parainen, FINLAND.

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