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Anaerobic sludge granulation(20)

Source: | Date: 2011-07-26 | Hits:
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According to these authors, the granules formed at low gLV with acidogens as solid-phase emulsifiers around a methanogenic association allow a more stable reactor performance, as they are less susceptible of adhesion to gas bubbles and consequent wash-out. The formation of these kinds of granules is shown.
Acidogens (round cells) aggregate by means of forming ECP, enclosing some methanogens (rectangular cells), while dispersed cells are washed-out leading to the
formation of a granule with outer elastic hydrophilic layer formed by ECP-rich acidogens and an inner core of hydrophobic methanogens.
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