Lagoons
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Suspended growth lagoons are shallow earthen basins varying in depth from 1 to 6m. The aerated lagoons depth ranges usually between 1.8 and 6m, mixing and aeration is provided through the use of slow-speed surface aerators mounted on floats. Non aerated lagoons can be classified in aerobic, facultative and anaerobic lagoons, depending on the main environmental conditions: biological conversion is carried out in aerobic and/or anaerobic conditions.
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