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Many uncertain factors affect the operation of Wastewater Treatment Plants. Due to the complexity of biological wastewater treatment processes, classical methods show significant difficulties when trying to control them automatically. Consequently soft computing techniques and, specifically, fuzzy logic appears to be a good candidate for controlling these(More)
Most of the small wastewater treatment plants in Catalonia were not designed to remove nutrients. However, the large safety margins built into their original engineering design has meant that, in many cases, it has been possible to remove part of the nitrogen without being controlled. This paper focuses on the practical experience carried out in one of(More)
The effect of different ozone doses was assessed in terms of biogas production, anaerobic digestion (AD) kinetics and concentration of amino acids (AA) and long chain fatty acids (LCFA) in the waste activated sludge (WAS). Four different ozone (O3) doses were used: 0.043 gO3/gTSS, 0.063 gO3/gTSS, 0.080 gO3/gTSS and 0.100 gO3/gTSS. The lower doses resulted(More)
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