Szukana fraza: [Abstract = "It was observed a marked change in the sediment structure, their technological and rheological properties, which significantly improve the efficiency of sludge filtration cakes. In addition, the combination of Fenton reagent with the propagation of ultrasonic waves can enhance the degradation effect of pollution and coagulation understood as the disintegration and conditioning of sewage sludge. Scientific work financed from the budget for science in the years 2010\-2012 as a research project BG 401\-407\/10."]