A membrane bioreactor (MBR) combines biological treatment with the membrane separation technology. To improve the understanding of the MBR processes and know how, many researches were carried out suing the trial and error method and build the knowledge based on experiments. The problem with such an empirical research is that the results are difficult to generalize due to the complexity of the s...

Ultrasonic breakdown of perfluorooctanoic acid and perfluorooctane sulfonic were evaluated at various ultrasonic frequency (575 kHz, 860 1140 kHz), pH (3–12), bulk water temperature (14.5–30 °C), gases (Helium, Nitrogen, Oxygen, Ozone, Argon). Contrary to the result reported in literature, we observed an increase rate kinetics PFOA PFOS decomposition air environment (i.e., without sparging any ...

The occurrence of hypoxic muddy sediments on shallow beaches and other sheltered areas is a well-known environmental problem, which negatively affects coastal areas, tourism potential, the public use sediment biodiversity. usual solution limited to dredging removal sludge landfill site. In this study, laboratory-scale experiment was performed determine effectiveness two technologies: modificati...