-based toxins or any other dissolved organic contamination problem, preference must be given to a sludge blanket clarifier (used alone or as part of the "extended Cristal" process, see membrane processes ... Superpulsator, Filtration, Cristal, Densadeg, Ozone, Drinking water, Surface water, Algae, Flotation, Settling, GAC, PAC ... Superpulsator Filtration Cristal Densadeg Ozone Drinking water Surface water Algae Flotation Settling GAC PAC...