REDUCTION OF EXCESS SLUDGE PRODUCTION IN AN ACTIVATED SLUDGE SYSTEM BASED ON LYSIS-CRYPTIC GROWTH, UNCOUPLING METABOLISM AND FOLIC ACID ADDITION

Abstract The following sludge reduction alternatives were tested in wastewater biological reactors: oxic-settling-anaerobic (OSA-process); ultrasonic disintegration (UD); chlorination (CH); 3,3',4',5-tetrachlorosalicylanilide (TCS); and folic acid (FA). Compared to the control system, UD r...

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Veröffentlicht in:Brazilian journal of chemical engineering 2016-01, Vol.33 (1), p.47-57
Hauptverfasser: Velho, V. F., Daudt, G. C., Martins, C. L., Belli Filho, P., Costa, R. H. R.
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Sprache:eng
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